123865640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 288921600

約数和(自身を除く): 165055960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 127, 148, 185, 254, 296, 370, 508, 635, 659, 740, 1016, 1270, 1318, 1480, 2540, 2636, 3295, 4699, 5080, 5272, 6590, 9398, 13180, 18796, 23495, 24383, 26360, 37592, 46990, 48766, 83693, 93980, 97532, 121915, 167386, 187960, 195064, 243830, 334772, 418465, 487660, 669544, 836930, 975320, 1673860, 3096641, 3347720, 6193282, 12386564, 15483205, 24773128, 30966410, 61932820, 123865640]

約数ペア:

[(1, 123865640), (2, 61932820), (4, 30966410), (5, 24773128), (8, 15483205), (10, 12386564), (20, 6193282), (37, 3347720), (40, 3096641), (74, 1673860), (127, 975320), (148, 836930), (185, 669544), (254, 487660), (296, 418465), (370, 334772), (508, 243830), (635, 195064), (659, 187960), (740, 167386), (1016, 121915), (1270, 97532), (1318, 93980), (1480, 83693), (2540, 48766), (2636, 46990), (3295, 37592), (4699, 26360), (5080, 24383), (5272, 23495), (6590, 18796), (9398, 13180)]