280739844

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 288

約数和(自身を含む): 954949632

約数和(自身を除く): 674209788

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 31, 33, 36, 42, 44, 54, 62, 63, 66, 77, 81, 84, 93, 99, 108, 121, 124, 126, 132, 154, 162, 186, 189, 198, 217, 231, 242, 243, 252, 279, 297, 308, 324, 341, 363, 372, 378, 396, 434, 462, 484, 486, 558, 567, 594, 651, 682, 693, 726, 756, 837, 847, 868, 891, 924, 972, 1023, 1089, 1116, 1134, 1188, 1302, 1331, 1364, 1386, 1452, 1674, 1694, 1701, 1782, 1953, 2046, 2079, 2178, 2268, 2387, 2511, 2541, 2604, 2662, 2673, 2772, 3069, 3267, 3348, 3388, 3402, 3564, 3751, 3906, 3993, 4092, 4158, 4356, 4774, 5022, 5082, 5324, 5346, 5859, 6138, 6237, 6534, 6804, 7161, 7502, 7533, 7623, 7812, 7986, 8316, 9207, 9317, 9548, 9801, 10044, 10164, 10692, 11253, 11718, 11979, 12276, 12474, 13068, 14322, 15004, 15066, 15246, 15972, 17577, 18414, 18634, 18711, 19602, 21483, 22506, 22869, 23436, 23958, 24948, 26257, 27621, 27951, 28644, 29403, 30132, 30492, 33759, 35154, 35937, 36828, 37268, 37422, 39204, 41261, 42966, 45012, 45738, 47916, 52514, 52731, 55242, 55902, 58806, 64449, 67518, 68607, 70308, 71874, 74844, 78771, 82522, 82863, 83853, 85932, 91476, 101277, 105028, 105462, 107811, 110484, 111804, 117612, 123783, 128898, 135036, 137214, 143748, 157542, 165044, 165726, 167706, 193347, 202554, 205821, 210924, 215622, 236313, 247566, 251559, 257796, 274428, 288827, 303831, 315084, 323433, 331452, 335412, 371349, 386694, 405108, 411642, 431244, 472626, 495132, 503118, 577654, 580041, 607662, 646866, 708939, 742698, 754677, 773388, 823284, 866481, 911493, 945252, 1006236, 1114047, 1155308, 1160082, 1215324, 1293732, 1417878, 1485396, 1509354, 1732962, 1822986, 2126817, 2228094, 2264031, 2320164, 2599443, 2835756, 3018708, 3342141, 3465924, 3645972, 4253634, 4456188, 4528062, 5198886, 6380451, 6684282, 7798329, 8507268, 9056124, 10026423, 10397772, 12760902, 13368564, 15596658, 20052846, 23394987, 25521804, 31193316, 40105692, 46789974, 70184961, 93579948, 140369922, 280739844]

約数ペア:

[(1, 280739844), (2, 140369922), (3, 93579948), (4, 70184961), (6, 46789974), (7, 40105692), (9, 31193316), (11, 25521804), (12, 23394987), (14, 20052846), (18, 15596658), (21, 13368564), (22, 12760902), (27, 10397772), (28, 10026423), (31, 9056124), (33, 8507268), (36, 7798329), (42, 6684282), (44, 6380451), (54, 5198886), (62, 4528062), (63, 4456188), (66, 4253634), (77, 3645972), (81, 3465924), (84, 3342141), (93, 3018708), (99, 2835756), (108, 2599443), (121, 2320164), (124, 2264031), (126, 2228094), (132, 2126817), (154, 1822986), (162, 1732962), (186, 1509354), (189, 1485396), (198, 1417878), (217, 1293732), (231, 1215324), (242, 1160082), (243, 1155308), (252, 1114047), (279, 1006236), (297, 945252), (308, 911493), (324, 866481), (341, 823284), (363, 773388), (372, 754677), (378, 742698), (396, 708939), (434, 646866), (462, 607662), (484, 580041), (486, 577654), (558, 503118), (567, 495132), (594, 472626), (651, 431244), (682, 411642), (693, 405108), (726, 386694), (756, 371349), (837, 335412), (847, 331452), (868, 323433), (891, 315084), (924, 303831), (972, 288827), (1023, 274428), (1089, 257796), (1116, 251559), (1134, 247566), (1188, 236313), (1302, 215622), (1331, 210924), (1364, 205821), (1386, 202554), (1452, 193347), (1674, 167706), (1694, 165726), (1701, 165044), (1782, 157542), (1953, 143748), (2046, 137214), (2079, 135036), (2178, 128898), (2268, 123783), (2387, 117612), (2511, 111804), (2541, 110484), (2604, 107811), (2662, 105462), (2673, 105028), (2772, 101277), (3069, 91476), (3267, 85932), (3348, 83853), (3388, 82863), (3402, 82522), (3564, 78771), (3751, 74844), (3906, 71874), (3993, 70308), (4092, 68607), (4158, 67518), (4356, 64449), (4774, 58806), (5022, 55902), (5082, 55242), (5324, 52731), (5346, 52514), (5859, 47916), (6138, 45738), (6237, 45012), (6534, 42966), (6804, 41261), (7161, 39204), (7502, 37422), (7533, 37268), (7623, 36828), (7812, 35937), (7986, 35154), (8316, 33759), (9207, 30492), (9317, 30132), (9548, 29403), (9801, 28644), (10044, 27951), (10164, 27621), (10692, 26257), (11253, 24948), (11718, 23958), (11979, 23436), (12276, 22869), (12474, 22506), (13068, 21483), (14322, 19602), (15004, 18711), (15066, 18634), (15246, 18414), (15972, 17577)]