42856240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 115135488

約数和(自身を除く): 72279248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 743, 824, 1030, 1442, 1486, 1648, 2060, 2884, 2972, 3605, 3715, 4120, 5201, 5768, 5944, 7210, 7430, 8240, 10402, 11536, 11888, 14420, 14860, 20804, 26005, 28840, 29720, 41608, 52010, 57680, 59440, 76529, 83216, 104020, 153058, 208040, 306116, 382645, 416080, 535703, 612232, 765290, 1071406, 1224464, 1530580, 2142812, 2678515, 3061160, 4285624, 5357030, 6122320, 8571248, 10714060, 21428120, 42856240]

約数ペア:

[(1, 42856240), (2, 21428120), (4, 10714060), (5, 8571248), (7, 6122320), (8, 5357030), (10, 4285624), (14, 3061160), (16, 2678515), (20, 2142812), (28, 1530580), (35, 1224464), (40, 1071406), (56, 765290), (70, 612232), (80, 535703), (103, 416080), (112, 382645), (140, 306116), (206, 208040), (280, 153058), (412, 104020), (515, 83216), (560, 76529), (721, 59440), (743, 57680), (824, 52010), (1030, 41608), (1442, 29720), (1486, 28840), (1648, 26005), (2060, 20804), (2884, 14860), (2972, 14420), (3605, 11888), (3715, 11536), (4120, 10402), (5201, 8240), (5768, 7430), (5944, 7210)]