90708320

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^2$

素因数の和:352

約数の個数: 72

約数和(自身を含む): 225049104

約数和(自身を除く): 134340784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 157, 160, 184, 230, 314, 368, 460, 628, 736, 785, 920, 1256, 1570, 1840, 2512, 3140, 3611, 3680, 5024, 6280, 7222, 12560, 14444, 18055, 24649, 25120, 28888, 36110, 49298, 57776, 72220, 98596, 115552, 123245, 144440, 197192, 246490, 288880, 394384, 492980, 566927, 577760, 788768, 985960, 1133854, 1971920, 2267708, 2834635, 3943840, 4535416, 5669270, 9070832, 11338540, 18141664, 22677080, 45354160, 90708320]

約数ペア:

[(1, 90708320), (2, 45354160), (4, 22677080), (5, 18141664), (8, 11338540), (10, 9070832), (16, 5669270), (20, 4535416), (23, 3943840), (32, 2834635), (40, 2267708), (46, 1971920), (80, 1133854), (92, 985960), (115, 788768), (157, 577760), (160, 566927), (184, 492980), (230, 394384), (314, 288880), (368, 246490), (460, 197192), (628, 144440), (736, 123245), (785, 115552), (920, 98596), (1256, 72220), (1570, 57776), (1840, 49298), (2512, 36110), (3140, 28888), (3611, 25120), (3680, 24649), (5024, 18055), (6280, 14444), (7222, 12560)]