684866280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{815317}}^1$

素因数の和:815338

約数の個数: 64

約数和(自身を含む): 2348115840

約数和(自身を除く): 1663249560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 815317, 1630634, 2445951, 3261268, 4076585, 4891902, 5707219, 6522536, 8153170, 9783804, 11414438, 12229755, 16306340, 17121657, 19567608, 22828876, 24459510, 28536095, 32612680, 34243314, 45657752, 48919020, 57072190, 68486628, 85608285, 97838040, 114144380, 136973256, 171216570, 228288760, 342433140, 684866280]

約数ペア:

[(1, 684866280), (2, 342433140), (3, 228288760), (4, 171216570), (5, 136973256), (6, 114144380), (7, 97838040), (8, 85608285), (10, 68486628), (12, 57072190), (14, 48919020), (15, 45657752), (20, 34243314), (21, 32612680), (24, 28536095), (28, 24459510), (30, 22828876), (35, 19567608), (40, 17121657), (42, 16306340), (56, 12229755), (60, 11414438), (70, 9783804), (84, 8153170), (105, 6522536), (120, 5707219), (140, 4891902), (168, 4076585), (210, 3261268), (280, 2445951), (420, 1630634), (840, 815317)]