31613440

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 80

約数和(自身を含む): 77559768

約数和(自身を除く): 45946328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 233, 256, 265, 320, 424, 466, 512, 530, 640, 848, 932, 1060, 1165, 1280, 1696, 1864, 2120, 2330, 2560, 3392, 3728, 4240, 4660, 6784, 7456, 8480, 9320, 12349, 13568, 14912, 16960, 18640, 24698, 27136, 29824, 33920, 37280, 49396, 59648, 61745, 67840, 74560, 98792, 119296, 123490, 135680, 149120, 197584, 246980, 298240, 395168, 493960, 596480, 790336, 987920, 1580672, 1975840, 3161344, 3951680, 6322688, 7903360, 15806720, 31613440]

約数ペア:

[(1, 31613440), (2, 15806720), (4, 7903360), (5, 6322688), (8, 3951680), (10, 3161344), (16, 1975840), (20, 1580672), (32, 987920), (40, 790336), (53, 596480), (64, 493960), (80, 395168), (106, 298240), (128, 246980), (160, 197584), (212, 149120), (233, 135680), (256, 123490), (265, 119296), (320, 98792), (424, 74560), (466, 67840), (512, 61745), (530, 59648), (640, 49396), (848, 37280), (932, 33920), (1060, 29824), (1165, 27136), (1280, 24698), (1696, 18640), (1864, 16960), (2120, 14912), (2330, 13568), (2560, 12349), (3392, 9320), (3728, 8480), (4240, 7456), (4660, 6784)]