2148807780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:360

約数の個数: 432

約数和(自身を含む): 8126576640

約数和(自身を除く): 5977768860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 31, 35, 36, 42, 45, 49, 58, 60, 62, 63, 70, 84, 87, 90, 93, 98, 105, 116, 124, 126, 140, 145, 147, 155, 174, 180, 186, 196, 203, 210, 217, 245, 252, 261, 271, 279, 290, 294, 310, 315, 348, 372, 406, 420, 434, 435, 441, 465, 490, 522, 542, 558, 580, 588, 609, 620, 630, 651, 735, 812, 813, 868, 870, 882, 899, 930, 980, 1015, 1044, 1084, 1085, 1116, 1218, 1260, 1302, 1305, 1355, 1395, 1421, 1470, 1519, 1626, 1740, 1764, 1798, 1827, 1860, 1897, 1953, 2030, 2170, 2205, 2436, 2439, 2604, 2610, 2697, 2710, 2790, 2842, 2940, 3038, 3045, 3252, 3255, 3596, 3654, 3794, 3906, 4060, 4065, 4263, 4340, 4410, 4495, 4557, 4878, 5220, 5394, 5420, 5580, 5684, 5691, 6076, 6090, 6293, 6510, 7105, 7308, 7588, 7595, 7812, 7859, 8091, 8130, 8401, 8526, 8820, 8990, 9114, 9135, 9485, 9756, 9765, 10788, 11382, 12180, 12195, 12586, 12789, 13020, 13279, 13485, 13671, 14210, 15190, 15718, 16182, 16260, 16802, 17052, 17073, 17980, 18228, 18270, 18879, 18970, 19530, 21315, 22764, 22785, 23577, 24390, 25172, 25203, 25578, 26558, 26970, 27342, 28420, 28455, 30380, 31436, 31465, 32364, 33604, 34146, 36540, 37758, 37940, 39060, 39295, 39837, 40455, 42005, 42630, 44051, 45570, 47154, 48780, 50406, 51156, 53116, 53940, 54684, 55013, 56637, 56910, 58807, 62930, 63945, 66395, 68292, 68355, 70731, 75516, 75609, 78590, 79674, 80910, 84010, 85260, 85365, 88102, 91140, 94308, 94395, 100812, 110026, 113274, 113820, 117614, 117885, 119511, 125860, 126015, 127890, 132153, 132790, 136710, 141462, 151218, 157180, 159348, 161820, 165039, 168020, 170730, 176204, 176421, 188790, 199185, 220052, 220255, 226548, 235228, 235770, 239022, 243629, 252030, 255780, 264306, 265580, 273420, 275065, 282924, 283185, 294035, 302436, 330078, 341460, 352842, 353655, 377580, 378045, 385091, 396459, 398370, 411649, 440510, 471540, 478044, 487258, 495117, 504060, 528612, 529263, 550130, 566370, 588070, 597555, 660156, 660765, 705684, 707310, 730887, 756090, 770182, 792918, 796740, 823298, 825195, 881020, 882105, 974516, 990234, 1058526, 1100260, 1132740, 1155273, 1176140, 1195110, 1218145, 1234947, 1321530, 1414620, 1461774, 1512180, 1540364, 1585836, 1646596, 1650390, 1705403, 1764210, 1925455, 1980468, 1982295, 2058245, 2117052, 2192661, 2310546, 2390220, 2436290, 2469894, 2475585, 2643060, 2646315, 2923548, 3300780, 3410806, 3465819, 3528420, 3654435, 3704841, 3850910, 3964590, 4116490, 4385322, 4621092, 4872580, 4939788, 4951170, 5116209, 5292630, 5776365, 6174735, 6821612, 6931638, 7308870, 7409682, 7701820, 7929180, 8232980, 8527015, 8770644, 9902340, 10232418, 10585260, 10963305, 11552730, 11937821, 12349470, 13863276, 14617740, 14819364, 15348627, 17054030, 17329095, 18524205, 20464836, 21926610, 23105460, 23875642, 24698940, 25581045, 30697254, 34108060, 34658190, 35813463, 37048410, 43853220, 47751284, 51162090, 59689105, 61394508, 69316380, 71626926, 74096820, 76743135, 102324180, 107440389, 119378210, 143253852, 153486270, 179067315, 214880778, 238756420, 306972540, 358134630, 429761556, 537201945, 716269260, 1074403890, 2148807780]

約数ペア:

[(1, 2148807780), (2, 1074403890), (3, 716269260), (4, 537201945), (5, 429761556), (6, 358134630), (7, 306972540), (9, 238756420), (10, 214880778), (12, 179067315), (14, 153486270), (15, 143253852), (18, 119378210), (20, 107440389), (21, 102324180), (28, 76743135), (29, 74096820), (30, 71626926), (31, 69316380), (35, 61394508), (36, 59689105), (42, 51162090), (45, 47751284), (49, 43853220), (58, 37048410), (60, 35813463), (62, 34658190), (63, 34108060), (70, 30697254), (84, 25581045), (87, 24698940), (90, 23875642), (93, 23105460), (98, 21926610), (105, 20464836), (116, 18524205), (124, 17329095), (126, 17054030), (140, 15348627), (145, 14819364), (147, 14617740), (155, 13863276), (174, 12349470), (180, 11937821), (186, 11552730), (196, 10963305), (203, 10585260), (210, 10232418), (217, 9902340), (245, 8770644), (252, 8527015), (261, 8232980), (271, 7929180), (279, 7701820), (290, 7409682), (294, 7308870), (310, 6931638), (315, 6821612), (348, 6174735), (372, 5776365), (406, 5292630), (420, 5116209), (434, 4951170), (435, 4939788), (441, 4872580), (465, 4621092), (490, 4385322), (522, 4116490), (542, 3964590), (558, 3850910), (580, 3704841), (588, 3654435), (609, 3528420), (620, 3465819), (630, 3410806), (651, 3300780), (735, 2923548), (812, 2646315), (813, 2643060), (868, 2475585), (870, 2469894), (882, 2436290), (899, 2390220), (930, 2310546), (980, 2192661), (1015, 2117052), (1044, 2058245), (1084, 1982295), (1085, 1980468), (1116, 1925455), (1218, 1764210), (1260, 1705403), (1302, 1650390), (1305, 1646596), (1355, 1585836), (1395, 1540364), (1421, 1512180), (1470, 1461774), (1519, 1414620), (1626, 1321530), (1740, 1234947), (1764, 1218145), (1798, 1195110), (1827, 1176140), (1860, 1155273), (1897, 1132740), (1953, 1100260), (2030, 1058526), (2170, 990234), (2205, 974516), (2436, 882105), (2439, 881020), (2604, 825195), (2610, 823298), (2697, 796740), (2710, 792918), (2790, 770182), (2842, 756090), (2940, 730887), (3038, 707310), (3045, 705684), (3252, 660765), (3255, 660156), (3596, 597555), (3654, 588070), (3794, 566370), (3906, 550130), (4060, 529263), (4065, 528612), (4263, 504060), (4340, 495117), (4410, 487258), (4495, 478044), (4557, 471540), (4878, 440510), (5220, 411649), (5394, 398370), (5420, 396459), (5580, 385091), (5684, 378045), (5691, 377580), (6076, 353655), (6090, 352842), (6293, 341460), (6510, 330078), (7105, 302436), (7308, 294035), (7588, 283185), (7595, 282924), (7812, 275065), (7859, 273420), (8091, 265580), (8130, 264306), (8401, 255780), (8526, 252030), (8820, 243629), (8990, 239022), (9114, 235770), (9135, 235228), (9485, 226548), (9756, 220255), (9765, 220052), (10788, 199185), (11382, 188790), (12180, 176421), (12195, 176204), (12586, 170730), (12789, 168020), (13020, 165039), (13279, 161820), (13485, 159348), (13671, 157180), (14210, 151218), (15190, 141462), (15718, 136710), (16182, 132790), (16260, 132153), (16802, 127890), (17052, 126015), (17073, 125860), (17980, 119511), (18228, 117885), (18270, 117614), (18879, 113820), (18970, 113274), (19530, 110026), (21315, 100812), (22764, 94395), (22785, 94308), (23577, 91140), (24390, 88102), (25172, 85365), (25203, 85260), (25578, 84010), (26558, 80910), (26970, 79674), (27342, 78590), (28420, 75609), (28455, 75516), (30380, 70731), (31436, 68355), (31465, 68292), (32364, 66395), (33604, 63945), (34146, 62930), (36540, 58807), (37758, 56910), (37940, 56637), (39060, 55013), (39295, 54684), (39837, 53940), (40455, 53116), (42005, 51156), (42630, 50406), (44051, 48780), (45570, 47154)]