90747680

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{15329}}^1$

素因数の和:15381

約数の個数: 48

約数和(自身を含む): 220200120

約数和(自身を除く): 129452440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 15329, 30658, 61316, 76645, 122632, 153290, 245264, 306580, 490528, 567173, 613160, 1134346, 1226320, 2268692, 2452640, 2835865, 4537384, 5671730, 9074768, 11343460, 18149536, 22686920, 45373840, 90747680]

約数ペア:

[(1, 90747680), (2, 45373840), (4, 22686920), (5, 18149536), (8, 11343460), (10, 9074768), (16, 5671730), (20, 4537384), (32, 2835865), (37, 2452640), (40, 2268692), (74, 1226320), (80, 1134346), (148, 613160), (160, 567173), (185, 490528), (296, 306580), (370, 245264), (592, 153290), (740, 122632), (1184, 76645), (1480, 61316), (2960, 30658), (5920, 15329)]