1020799620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2999}}^1$

素因数の和:3106

約数の個数: 144

約数和(自身を含む): 3249792000

約数和(自身を除く): 2228992380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 61, 62, 90, 93, 122, 124, 155, 180, 183, 186, 244, 279, 305, 310, 366, 372, 465, 549, 558, 610, 620, 732, 915, 930, 1098, 1116, 1220, 1395, 1830, 1860, 1891, 2196, 2745, 2790, 2999, 3660, 3782, 5490, 5580, 5673, 5998, 7564, 8997, 9455, 10980, 11346, 11996, 14995, 17019, 17994, 18910, 22692, 26991, 28365, 29990, 34038, 35988, 37820, 44985, 53982, 56730, 59980, 68076, 85095, 89970, 92969, 107964, 113460, 134955, 170190, 179940, 182939, 185938, 269910, 278907, 340380, 365878, 371876, 464845, 539820, 548817, 557814, 731756, 836721, 914695, 929690, 1097634, 1115628, 1394535, 1646451, 1673442, 1829390, 1859380, 2195268, 2744085, 2789070, 3292902, 3346884, 3658780, 4183605, 5488170, 5578140, 5671109, 6585804, 8232255, 8367210, 10976340, 11342218, 16464510, 16734420, 17013327, 22684436, 28355545, 32929020, 34026654, 51039981, 56711090, 68053308, 85066635, 102079962, 113422180, 170133270, 204159924, 255199905, 340266540, 510399810, 1020799620]

約数ペア:

[(1, 1020799620), (2, 510399810), (3, 340266540), (4, 255199905), (5, 204159924), (6, 170133270), (9, 113422180), (10, 102079962), (12, 85066635), (15, 68053308), (18, 56711090), (20, 51039981), (30, 34026654), (31, 32929020), (36, 28355545), (45, 22684436), (60, 17013327), (61, 16734420), (62, 16464510), (90, 11342218), (93, 10976340), (122, 8367210), (124, 8232255), (155, 6585804), (180, 5671109), (183, 5578140), (186, 5488170), (244, 4183605), (279, 3658780), (305, 3346884), (310, 3292902), (366, 2789070), (372, 2744085), (465, 2195268), (549, 1859380), (558, 1829390), (610, 1673442), (620, 1646451), (732, 1394535), (915, 1115628), (930, 1097634), (1098, 929690), (1116, 914695), (1220, 836721), (1395, 731756), (1830, 557814), (1860, 548817), (1891, 539820), (2196, 464845), (2745, 371876), (2790, 365878), (2999, 340380), (3660, 278907), (3782, 269910), (5490, 185938), (5580, 182939), (5673, 179940), (5998, 170190), (7564, 134955), (8997, 113460), (9455, 107964), (10980, 92969), (11346, 89970), (11996, 85095), (14995, 68076), (17019, 59980), (17994, 56730), (18910, 53982), (22692, 44985), (26991, 37820), (28365, 35988), (29990, 34038)]