18423240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 128

約数和(自身を含む): 63918720

約数和(自身を除く): 45495480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 821, 935, 1020, 1122, 1320, 1496, 1642, 1870, 2040, 2244, 2463, 2805, 3284, 3740, 4105, 4488, 4926, 5610, 6568, 7480, 8210, 9031, 9852, 11220, 12315, 13957, 16420, 18062, 19704, 22440, 24630, 27093, 27914, 32840, 36124, 41871, 45155, 49260, 54186, 55828, 69785, 72248, 83742, 90310, 98520, 108372, 111656, 135465, 139570, 153527, 167484, 180620, 209355, 216744, 270930, 279140, 307054, 334968, 361240, 418710, 460581, 541860, 558280, 614108, 767635, 837420, 921162, 1083720, 1228216, 1535270, 1674840, 1842324, 2302905, 3070540, 3684648, 4605810, 6141080, 9211620, 18423240]

約数ペア:

[(1, 18423240), (2, 9211620), (3, 6141080), (4, 4605810), (5, 3684648), (6, 3070540), (8, 2302905), (10, 1842324), (11, 1674840), (12, 1535270), (15, 1228216), (17, 1083720), (20, 921162), (22, 837420), (24, 767635), (30, 614108), (33, 558280), (34, 541860), (40, 460581), (44, 418710), (51, 361240), (55, 334968), (60, 307054), (66, 279140), (68, 270930), (85, 216744), (88, 209355), (102, 180620), (110, 167484), (120, 153527), (132, 139570), (136, 135465), (165, 111656), (170, 108372), (187, 98520), (204, 90310), (220, 83742), (255, 72248), (264, 69785), (330, 55828), (340, 54186), (374, 49260), (408, 45155), (440, 41871), (510, 36124), (561, 32840), (660, 27914), (680, 27093), (748, 24630), (821, 22440), (935, 19704), (1020, 18062), (1122, 16420), (1320, 13957), (1496, 12315), (1642, 11220), (1870, 9852), (2040, 9031), (2244, 8210), (2463, 7480), (2805, 6568), (3284, 5610), (3740, 4926), (4105, 4488)]