90671120

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1831}}^1$

素因数の和:2463

約数の個数: 40

約数和(自身を含む): 211266240

約数和(自身を除く): 120595120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 1831, 2476, 3095, 3662, 4952, 6190, 7324, 9155, 9904, 12380, 14648, 18310, 24760, 29296, 36620, 49520, 73240, 146480, 1133389, 2266778, 4533556, 5666945, 9067112, 11333890, 18134224, 22667780, 45335560, 90671120]

約数ペア:

[(1, 90671120), (2, 45335560), (4, 22667780), (5, 18134224), (8, 11333890), (10, 9067112), (16, 5666945), (20, 4533556), (40, 2266778), (80, 1133389), (619, 146480), (1238, 73240), (1831, 49520), (2476, 36620), (3095, 29296), (3662, 24760), (4952, 18310), (6190, 14648), (7324, 12380), (9155, 9904)]