720123180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 384

約数和(自身を含む): 2601123840

約数和(自身を除く): 1881000660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 41, 42, 57, 60, 62, 70, 71, 76, 82, 84, 93, 95, 105, 114, 123, 124, 133, 140, 142, 155, 164, 186, 190, 205, 210, 213, 217, 228, 246, 266, 284, 285, 287, 310, 355, 372, 380, 399, 410, 420, 426, 434, 465, 492, 497, 532, 570, 574, 589, 615, 620, 651, 665, 710, 779, 798, 820, 852, 861, 868, 930, 994, 1065, 1085, 1140, 1148, 1178, 1230, 1271, 1302, 1330, 1349, 1420, 1435, 1491, 1558, 1596, 1722, 1767, 1860, 1988, 1995, 2130, 2170, 2201, 2337, 2356, 2460, 2485, 2542, 2604, 2660, 2698, 2870, 2911, 2945, 2982, 3116, 3255, 3444, 3534, 3813, 3895, 3990, 4047, 4123, 4260, 4305, 4340, 4402, 4674, 4970, 5084, 5396, 5453, 5740, 5822, 5890, 5964, 6355, 6510, 6603, 6745, 7068, 7455, 7626, 7790, 7980, 8094, 8246, 8610, 8733, 8804, 8835, 8897, 9348, 9443, 9940, 10906, 11005, 11644, 11685, 11780, 12369, 12710, 13020, 13206, 13490, 14555, 14910, 15252, 15407, 15580, 16188, 16359, 16492, 17220, 17466, 17670, 17794, 18886, 19065, 20235, 20377, 20615, 21812, 22010, 23370, 24149, 24738, 25420, 26412, 26691, 26980, 27265, 28329, 29110, 29820, 30814, 32718, 33015, 34932, 35340, 35588, 37772, 38130, 40470, 40754, 41230, 41819, 43665, 44020, 44485, 46221, 46740, 47215, 48298, 49476, 53382, 54530, 55309, 56658, 58220, 61131, 61628, 61845, 65436, 66030, 72447, 76260, 77035, 80940, 81508, 81795, 82460, 83638, 87330, 88970, 90241, 92442, 94430, 96596, 101885, 106764, 109060, 110618, 113316, 120745, 122262, 123690, 125457, 132060, 133455, 141645, 144894, 154070, 163590, 165927, 167276, 169043, 174660, 177940, 180482, 184884, 188860, 203770, 209095, 221236, 231105, 241490, 244524, 247380, 250914, 266910, 270723, 276545, 283290, 289788, 292733, 305655, 308140, 327180, 331854, 338086, 360964, 362235, 387163, 407540, 418190, 451205, 462210, 482980, 501828, 507129, 533820, 541446, 553090, 566580, 585466, 611310, 627285, 631687, 663708, 676172, 724470, 774326, 829635, 836380, 845215, 878199, 902410, 924420, 1014258, 1082892, 1106180, 1161489, 1170932, 1222620, 1254570, 1263374, 1353615, 1448940, 1463665, 1548652, 1659270, 1690430, 1714579, 1756398, 1804820, 1895061, 1935815, 2028516, 2322978, 2509140, 2526748, 2535645, 2707230, 2927330, 3158435, 3318540, 3380860, 3429158, 3512796, 3790122, 3871630, 4390995, 4645956, 5071290, 5143737, 5414460, 5807445, 5854660, 6316870, 6858316, 7580244, 7743260, 8572895, 8781990, 9475305, 10142580, 10287474, 11614890, 12002053, 12633740, 17145790, 17563980, 18950610, 20574948, 23229780, 24004106, 25718685, 34291580, 36006159, 37901220, 48008212, 51437370, 60010265, 72012318, 102874740, 120020530, 144024636, 180030795, 240041060, 360061590, 720123180]

約数ペア:

[(1, 720123180), (2, 360061590), (3, 240041060), (4, 180030795), (5, 144024636), (6, 120020530), (7, 102874740), (10, 72012318), (12, 60010265), (14, 51437370), (15, 48008212), (19, 37901220), (20, 36006159), (21, 34291580), (28, 25718685), (30, 24004106), (31, 23229780), (35, 20574948), (38, 18950610), (41, 17563980), (42, 17145790), (57, 12633740), (60, 12002053), (62, 11614890), (70, 10287474), (71, 10142580), (76, 9475305), (82, 8781990), (84, 8572895), (93, 7743260), (95, 7580244), (105, 6858316), (114, 6316870), (123, 5854660), (124, 5807445), (133, 5414460), (140, 5143737), (142, 5071290), (155, 4645956), (164, 4390995), (186, 3871630), (190, 3790122), (205, 3512796), (210, 3429158), (213, 3380860), (217, 3318540), (228, 3158435), (246, 2927330), (266, 2707230), (284, 2535645), (285, 2526748), (287, 2509140), (310, 2322978), (355, 2028516), (372, 1935815), (380, 1895061), (399, 1804820), (410, 1756398), (420, 1714579), (426, 1690430), (434, 1659270), (465, 1548652), (492, 1463665), (497, 1448940), (532, 1353615), (570, 1263374), (574, 1254570), (589, 1222620), (615, 1170932), (620, 1161489), (651, 1106180), (665, 1082892), (710, 1014258), (779, 924420), (798, 902410), (820, 878199), (852, 845215), (861, 836380), (868, 829635), (930, 774326), (994, 724470), (1065, 676172), (1085, 663708), (1140, 631687), (1148, 627285), (1178, 611310), (1230, 585466), (1271, 566580), (1302, 553090), (1330, 541446), (1349, 533820), (1420, 507129), (1435, 501828), (1491, 482980), (1558, 462210), (1596, 451205), (1722, 418190), (1767, 407540), (1860, 387163), (1988, 362235), (1995, 360964), (2130, 338086), (2170, 331854), (2201, 327180), (2337, 308140), (2356, 305655), (2460, 292733), (2485, 289788), (2542, 283290), (2604, 276545), (2660, 270723), (2698, 266910), (2870, 250914), (2911, 247380), (2945, 244524), (2982, 241490), (3116, 231105), (3255, 221236), (3444, 209095), (3534, 203770), (3813, 188860), (3895, 184884), (3990, 180482), (4047, 177940), (4123, 174660), (4260, 169043), (4305, 167276), (4340, 165927), (4402, 163590), (4674, 154070), (4970, 144894), (5084, 141645), (5396, 133455), (5453, 132060), (5740, 125457), (5822, 123690), (5890, 122262), (5964, 120745), (6355, 113316), (6510, 110618), (6603, 109060), (6745, 106764), (7068, 101885), (7455, 96596), (7626, 94430), (7790, 92442), (7980, 90241), (8094, 88970), (8246, 87330), (8610, 83638), (8733, 82460), (8804, 81795), (8835, 81508), (8897, 80940), (9348, 77035), (9443, 76260), (9940, 72447), (10906, 66030), (11005, 65436), (11644, 61845), (11685, 61628), (11780, 61131), (12369, 58220), (12710, 56658), (13020, 55309), (13206, 54530), (13490, 53382), (14555, 49476), (14910, 48298), (15252, 47215), (15407, 46740), (15580, 46221), (16188, 44485), (16359, 44020), (16492, 43665), (17220, 41819), (17466, 41230), (17670, 40754), (17794, 40470), (18886, 38130), (19065, 37772), (20235, 35588), (20377, 35340), (20615, 34932), (21812, 33015), (22010, 32718), (23370, 30814), (24149, 29820), (24738, 29110), (25420, 28329), (26412, 27265), (26691, 26980)]