64460440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3407}}^1$

素因数の和:3472

約数の個数: 64

約数和(自身を含む): 161948160

約数和(自身を除く): 97487720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3407, 3784, 4730, 6814, 9460, 13628, 17035, 18920, 27256, 34070, 37477, 68140, 74954, 136280, 146501, 149908, 187385, 293002, 299816, 374770, 586004, 732505, 749540, 1172008, 1465010, 1499080, 1611511, 2930020, 3223022, 5860040, 6446044, 8057555, 12892088, 16115110, 32230220, 64460440]

約数ペア:

[(1, 64460440), (2, 32230220), (4, 16115110), (5, 12892088), (8, 8057555), (10, 6446044), (11, 5860040), (20, 3223022), (22, 2930020), (40, 1611511), (43, 1499080), (44, 1465010), (55, 1172008), (86, 749540), (88, 732505), (110, 586004), (172, 374770), (215, 299816), (220, 293002), (344, 187385), (430, 149908), (440, 146501), (473, 136280), (860, 74954), (946, 68140), (1720, 37477), (1892, 34070), (2365, 27256), (3407, 18920), (3784, 17035), (4730, 13628), (6814, 9460)]