12961760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 35707392

約数和(自身を除く): 22745632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 163, 224, 280, 284, 326, 355, 497, 560, 568, 652, 710, 815, 994, 1120, 1136, 1141, 1304, 1420, 1630, 1988, 2272, 2282, 2485, 2608, 2840, 3260, 3976, 4564, 4970, 5216, 5680, 5705, 6520, 7952, 9128, 9940, 11360, 11410, 11573, 13040, 15904, 18256, 19880, 22820, 23146, 26080, 36512, 39760, 45640, 46292, 57865, 79520, 81011, 91280, 92584, 115730, 162022, 182560, 185168, 231460, 324044, 370336, 405055, 462920, 648088, 810110, 925840, 1296176, 1620220, 1851680, 2592352, 3240440, 6480880, 12961760]

約数ペア:

[(1, 12961760), (2, 6480880), (4, 3240440), (5, 2592352), (7, 1851680), (8, 1620220), (10, 1296176), (14, 925840), (16, 810110), (20, 648088), (28, 462920), (32, 405055), (35, 370336), (40, 324044), (56, 231460), (70, 185168), (71, 182560), (80, 162022), (112, 115730), (140, 92584), (142, 91280), (160, 81011), (163, 79520), (224, 57865), (280, 46292), (284, 45640), (326, 39760), (355, 36512), (497, 26080), (560, 23146), (568, 22820), (652, 19880), (710, 18256), (815, 15904), (994, 13040), (1120, 11573), (1136, 11410), (1141, 11360), (1304, 9940), (1420, 9128), (1630, 7952), (1988, 6520), (2272, 5705), (2282, 5680), (2485, 5216), (2608, 4970), (2840, 4564), (3260, 3976)]