42272840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 99740160

約数和(自身を除く): 57467320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 467, 584, 620, 730, 934, 1240, 1460, 1868, 2263, 2335, 2920, 3736, 4526, 4670, 9052, 9340, 11315, 14477, 18104, 18680, 22630, 28954, 34091, 45260, 57908, 68182, 72385, 90520, 115816, 136364, 144770, 170455, 272728, 289540, 340910, 579080, 681820, 1056821, 1363640, 2113642, 4227284, 5284105, 8454568, 10568210, 21136420, 42272840]

約数ペア:

[(1, 42272840), (2, 21136420), (4, 10568210), (5, 8454568), (8, 5284105), (10, 4227284), (20, 2113642), (31, 1363640), (40, 1056821), (62, 681820), (73, 579080), (124, 340910), (146, 289540), (155, 272728), (248, 170455), (292, 144770), (310, 136364), (365, 115816), (467, 90520), (584, 72385), (620, 68182), (730, 57908), (934, 45260), (1240, 34091), (1460, 28954), (1868, 22630), (2263, 18680), (2335, 18104), (2920, 14477), (3736, 11315), (4526, 9340), (4670, 9052)]