72148120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163973}}^1$

素因数の和:163995

約数の個数: 32

約数和(自身を含む): 177091920

約数和(自身を除く): 104943800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163973, 327946, 655892, 819865, 1311784, 1639730, 1803703, 3279460, 3607406, 6558920, 7214812, 9018515, 14429624, 18037030, 36074060, 72148120]

約数ペア:

[(1, 72148120), (2, 36074060), (4, 18037030), (5, 14429624), (8, 9018515), (10, 7214812), (11, 6558920), (20, 3607406), (22, 3279460), (40, 1803703), (44, 1639730), (55, 1311784), (88, 819865), (110, 655892), (220, 327946), (440, 163973)]