656275920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25087}}^1$

素因数の和:25212

約数の個数: 80

約数和(自身を含む): 2053201920

約数和(自身を除く): 1396926000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 8720, 13080, 25087, 26160, 50174, 75261, 100348, 125435, 150522, 200696, 250870, 301044, 376305, 401392, 501740, 602088, 752610, 1003480, 1204176, 1505220, 2006960, 2734483, 3010440, 5468966, 6020880, 8203449, 10937932, 13672415, 16406898, 21875864, 27344830, 32813796, 41017245, 43751728, 54689660, 65627592, 82034490, 109379320, 131255184, 164068980, 218758640, 328137960, 656275920]

約数ペア:

[(1, 656275920), (2, 328137960), (3, 218758640), (4, 164068980), (5, 131255184), (6, 109379320), (8, 82034490), (10, 65627592), (12, 54689660), (15, 43751728), (16, 41017245), (20, 32813796), (24, 27344830), (30, 21875864), (40, 16406898), (48, 13672415), (60, 10937932), (80, 8203449), (109, 6020880), (120, 5468966), (218, 3010440), (240, 2734483), (327, 2006960), (436, 1505220), (545, 1204176), (654, 1003480), (872, 752610), (1090, 602088), (1308, 501740), (1635, 401392), (1744, 376305), (2180, 301044), (2616, 250870), (3270, 200696), (4360, 150522), (5232, 125435), (6540, 100348), (8720, 75261), (13080, 50174), (25087, 26160)]