481888720

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1432

約数の個数: 80

約数和(自身を含む): 1155260880

約数和(自身を除く): 673372160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 89, 106, 178, 212, 265, 356, 424, 445, 530, 712, 848, 890, 1060, 1277, 1424, 1780, 2120, 2554, 3560, 4240, 4717, 5108, 6385, 7120, 9434, 10216, 12770, 18868, 20432, 23585, 25540, 37736, 47170, 51080, 67681, 75472, 94340, 102160, 113653, 135362, 188680, 227306, 270724, 338405, 377360, 454612, 541448, 568265, 676810, 909224, 1082896, 1136530, 1353620, 1818448, 2273060, 2707240, 4546120, 5414480, 6023609, 9092240, 12047218, 24094436, 30118045, 48188872, 60236090, 96377744, 120472180, 240944360, 481888720]

約数ペア:

[(1, 481888720), (2, 240944360), (4, 120472180), (5, 96377744), (8, 60236090), (10, 48188872), (16, 30118045), (20, 24094436), (40, 12047218), (53, 9092240), (80, 6023609), (89, 5414480), (106, 4546120), (178, 2707240), (212, 2273060), (265, 1818448), (356, 1353620), (424, 1136530), (445, 1082896), (530, 909224), (712, 676810), (848, 568265), (890, 541448), (1060, 454612), (1277, 377360), (1424, 338405), (1780, 270724), (2120, 227306), (2554, 188680), (3560, 135362), (4240, 113653), (4717, 102160), (5108, 94340), (6385, 75472), (7120, 67681), (9434, 51080), (10216, 47170), (12770, 37736), (18868, 25540), (20432, 23585)]