15243760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 40997376

約数和(自身を除く): 25753616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 167, 280, 326, 334, 560, 652, 668, 815, 835, 1141, 1169, 1304, 1336, 1630, 1670, 2282, 2338, 2608, 2672, 3260, 3340, 4564, 4676, 5705, 5845, 6520, 6680, 9128, 9352, 11410, 11690, 13040, 13360, 18256, 18704, 22820, 23380, 27221, 45640, 46760, 54442, 91280, 93520, 108884, 136105, 190547, 217768, 272210, 381094, 435536, 544420, 762188, 952735, 1088840, 1524376, 1905470, 2177680, 3048752, 3810940, 7621880, 15243760]

約数ペア:

[(1, 15243760), (2, 7621880), (4, 3810940), (5, 3048752), (7, 2177680), (8, 1905470), (10, 1524376), (14, 1088840), (16, 952735), (20, 762188), (28, 544420), (35, 435536), (40, 381094), (56, 272210), (70, 217768), (80, 190547), (112, 136105), (140, 108884), (163, 93520), (167, 91280), (280, 54442), (326, 46760), (334, 45640), (560, 27221), (652, 23380), (668, 22820), (815, 18704), (835, 18256), (1141, 13360), (1169, 13040), (1304, 11690), (1336, 11410), (1630, 9352), (1670, 9128), (2282, 6680), (2338, 6520), (2608, 5845), (2672, 5705), (3260, 4676), (3340, 4564)]