1219913240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:650

約数の個数: 256

約数和(自身を含む): 3677184000

約数和(自身を除く): 2457270760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 31, 35, 38, 40, 52, 56, 62, 65, 70, 76, 91, 95, 104, 124, 130, 133, 140, 152, 155, 182, 190, 217, 247, 248, 260, 266, 280, 310, 364, 380, 403, 434, 455, 494, 520, 532, 569, 589, 620, 665, 728, 760, 806, 868, 910, 988, 1064, 1085, 1138, 1178, 1235, 1240, 1330, 1612, 1729, 1736, 1820, 1976, 2015, 2170, 2276, 2356, 2470, 2660, 2821, 2845, 2945, 3224, 3458, 3640, 3983, 4030, 4123, 4340, 4552, 4712, 4940, 5320, 5642, 5690, 5890, 6916, 7397, 7657, 7966, 8060, 8246, 8645, 8680, 9880, 10811, 11284, 11380, 11780, 13832, 14105, 14794, 15314, 15932, 16120, 16492, 17290, 17639, 19915, 20615, 21622, 22568, 22760, 23560, 28210, 29588, 30628, 31864, 32984, 34580, 35278, 36985, 38285, 39830, 41230, 43244, 51779, 53599, 54055, 56420, 59176, 61256, 69160, 70556, 73970, 75677, 76570, 79660, 82460, 86488, 88195, 103558, 107198, 108110, 112840, 123473, 140543, 141112, 147940, 151354, 153140, 159320, 164920, 176390, 207116, 214396, 216220, 229307, 246946, 258895, 267995, 281086, 295880, 302708, 306280, 335141, 352780, 378385, 414232, 428792, 432440, 458614, 493892, 517790, 535990, 562172, 605416, 617365, 670282, 702715, 705560, 756770, 917228, 983801, 987784, 1035580, 1071980, 1124344, 1146535, 1234730, 1340564, 1405430, 1513540, 1605149, 1675705, 1834456, 1967602, 2071160, 2143960, 2293070, 2345987, 2469460, 2681128, 2810860, 3027080, 3210298, 3351410, 3935204, 4356833, 4586140, 4691974, 4919005, 4938920, 5621720, 6420596, 6702820, 7870408, 8025745, 8713666, 9172280, 9383948, 9838010, 11729935, 12841192, 13405640, 16051490, 17427332, 18767896, 19676020, 21784165, 23459870, 30497831, 32102980, 34854664, 39352040, 43568330, 46919740, 60995662, 64205960, 87136660, 93839480, 121991324, 152489155, 174273320, 243982648, 304978310, 609956620, 1219913240]

約数ペア:

[(1, 1219913240), (2, 609956620), (4, 304978310), (5, 243982648), (7, 174273320), (8, 152489155), (10, 121991324), (13, 93839480), (14, 87136660), (19, 64205960), (20, 60995662), (26, 46919740), (28, 43568330), (31, 39352040), (35, 34854664), (38, 32102980), (40, 30497831), (52, 23459870), (56, 21784165), (62, 19676020), (65, 18767896), (70, 17427332), (76, 16051490), (91, 13405640), (95, 12841192), (104, 11729935), (124, 9838010), (130, 9383948), (133, 9172280), (140, 8713666), (152, 8025745), (155, 7870408), (182, 6702820), (190, 6420596), (217, 5621720), (247, 4938920), (248, 4919005), (260, 4691974), (266, 4586140), (280, 4356833), (310, 3935204), (364, 3351410), (380, 3210298), (403, 3027080), (434, 2810860), (455, 2681128), (494, 2469460), (520, 2345987), (532, 2293070), (569, 2143960), (589, 2071160), (620, 1967602), (665, 1834456), (728, 1675705), (760, 1605149), (806, 1513540), (868, 1405430), (910, 1340564), (988, 1234730), (1064, 1146535), (1085, 1124344), (1138, 1071980), (1178, 1035580), (1235, 987784), (1240, 983801), (1330, 917228), (1612, 756770), (1729, 705560), (1736, 702715), (1820, 670282), (1976, 617365), (2015, 605416), (2170, 562172), (2276, 535990), (2356, 517790), (2470, 493892), (2660, 458614), (2821, 432440), (2845, 428792), (2945, 414232), (3224, 378385), (3458, 352780), (3640, 335141), (3983, 306280), (4030, 302708), (4123, 295880), (4340, 281086), (4552, 267995), (4712, 258895), (4940, 246946), (5320, 229307), (5642, 216220), (5690, 214396), (5890, 207116), (6916, 176390), (7397, 164920), (7657, 159320), (7966, 153140), (8060, 151354), (8246, 147940), (8645, 141112), (8680, 140543), (9880, 123473), (10811, 112840), (11284, 108110), (11380, 107198), (11780, 103558), (13832, 88195), (14105, 86488), (14794, 82460), (15314, 79660), (15932, 76570), (16120, 75677), (16492, 73970), (17290, 70556), (17639, 69160), (19915, 61256), (20615, 59176), (21622, 56420), (22568, 54055), (22760, 53599), (23560, 51779), (28210, 43244), (29588, 41230), (30628, 39830), (31864, 38285), (32984, 36985), (34580, 35278)]