2018455880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{12239}}^1$

素因数の和:12307

約数の個数: 128

約数和(自身を含む): 5640192000

約数和(自身を除く): 3621736120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1736, 2170, 2356, 2660, 2945, 4123, 4340, 4712, 5320, 5890, 8246, 8680, 11780, 12239, 16492, 20615, 23560, 24478, 32984, 41230, 48956, 61195, 82460, 85673, 97912, 122390, 164920, 171346, 232541, 244780, 342692, 379409, 428365, 465082, 489560, 685384, 758818, 856730, 930164, 1162705, 1517636, 1627787, 1713460, 1860328, 1897045, 2325410, 2655863, 3035272, 3255574, 3426920, 3794090, 4650820, 5311726, 6511148, 7208771, 7588180, 8138935, 9301640, 10623452, 13022296, 13279315, 14417542, 15176360, 16277870, 21246904, 26558630, 28835084, 32555740, 36043855, 50461397, 53117260, 57670168, 65111480, 72087710, 100922794, 106234520, 144175420, 201845588, 252306985, 288350840, 403691176, 504613970, 1009227940, 2018455880]

約数ペア:

[(1, 2018455880), (2, 1009227940), (4, 504613970), (5, 403691176), (7, 288350840), (8, 252306985), (10, 201845588), (14, 144175420), (19, 106234520), (20, 100922794), (28, 72087710), (31, 65111480), (35, 57670168), (38, 53117260), (40, 50461397), (56, 36043855), (62, 32555740), (70, 28835084), (76, 26558630), (95, 21246904), (124, 16277870), (133, 15176360), (140, 14417542), (152, 13279315), (155, 13022296), (190, 10623452), (217, 9301640), (248, 8138935), (266, 7588180), (280, 7208771), (310, 6511148), (380, 5311726), (434, 4650820), (532, 3794090), (589, 3426920), (620, 3255574), (665, 3035272), (760, 2655863), (868, 2325410), (1064, 1897045), (1085, 1860328), (1178, 1713460), (1240, 1627787), (1330, 1517636), (1736, 1162705), (2170, 930164), (2356, 856730), (2660, 758818), (2945, 685384), (4123, 489560), (4340, 465082), (4712, 428365), (5320, 379409), (5890, 342692), (8246, 244780), (8680, 232541), (11780, 171346), (12239, 164920), (16492, 122390), (20615, 97912), (23560, 85673), (24478, 82460), (32984, 61195), (41230, 48956)]