72328040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 167864400

約数和(自身を除く): 95536360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 313, 424, 436, 530, 545, 626, 872, 1060, 1090, 1252, 1565, 2120, 2180, 2504, 3130, 4360, 5777, 6260, 11554, 12520, 16589, 23108, 28885, 33178, 34117, 46216, 57770, 66356, 68234, 82945, 115540, 132712, 136468, 165890, 170585, 231080, 272936, 331780, 341170, 663560, 682340, 1364680, 1808201, 3616402, 7232804, 9041005, 14465608, 18082010, 36164020, 72328040]

約数ペア:

[(1, 72328040), (2, 36164020), (4, 18082010), (5, 14465608), (8, 9041005), (10, 7232804), (20, 3616402), (40, 1808201), (53, 1364680), (106, 682340), (109, 663560), (212, 341170), (218, 331780), (265, 272936), (313, 231080), (424, 170585), (436, 165890), (530, 136468), (545, 132712), (626, 115540), (872, 82945), (1060, 68234), (1090, 66356), (1252, 57770), (1565, 46216), (2120, 34117), (2180, 33178), (2504, 28885), (3130, 23108), (4360, 16589), (5777, 12520), (6260, 11554)]