90481280

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3821}}^1$

素因数の和:3877

約数の個数: 64

約数和(自身を含む): 222211080

約数和(自身を除く): 131729800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 3821, 4736, 5920, 7642, 11840, 15284, 19105, 23680, 30568, 38210, 61136, 76420, 122272, 141377, 152840, 244544, 282754, 305680, 489088, 565508, 611360, 706885, 1131016, 1222720, 1413770, 2262032, 2445440, 2827540, 4524064, 5655080, 9048128, 11310160, 18096256, 22620320, 45240640, 90481280]

約数ペア:

[(1, 90481280), (2, 45240640), (4, 22620320), (5, 18096256), (8, 11310160), (10, 9048128), (16, 5655080), (20, 4524064), (32, 2827540), (37, 2445440), (40, 2262032), (64, 1413770), (74, 1222720), (80, 1131016), (128, 706885), (148, 611360), (160, 565508), (185, 489088), (296, 305680), (320, 282754), (370, 244544), (592, 152840), (640, 141377), (740, 122272), (1184, 76420), (1480, 61136), (2368, 38210), (2960, 30568), (3821, 23680), (4736, 19105), (5920, 15284), (7642, 11840)]