215516440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3209}}^1$

素因数の和:3316

約数の個数: 64

約数和(自身を含む): 513086400

約数和(自身を除く): 297569960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 292, 365, 460, 584, 730, 920, 1460, 1679, 2920, 3209, 3358, 6418, 6716, 8395, 12836, 13432, 16045, 16790, 25672, 32090, 33580, 64180, 67160, 73807, 128360, 147614, 234257, 295228, 369035, 468514, 590456, 738070, 937028, 1171285, 1476140, 1874056, 2342570, 2952280, 4685140, 5387911, 9370280, 10775822, 21551644, 26939555, 43103288, 53879110, 107758220, 215516440]

約数ペア:

[(1, 215516440), (2, 107758220), (4, 53879110), (5, 43103288), (8, 26939555), (10, 21551644), (20, 10775822), (23, 9370280), (40, 5387911), (46, 4685140), (73, 2952280), (92, 2342570), (115, 1874056), (146, 1476140), (184, 1171285), (230, 937028), (292, 738070), (365, 590456), (460, 468514), (584, 369035), (730, 295228), (920, 234257), (1460, 147614), (1679, 128360), (2920, 73807), (3209, 67160), (3358, 64180), (6418, 33580), (6716, 32090), (8395, 25672), (12836, 16790), (13432, 16045)]