15806720

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 38741976

約数和(自身を除く): 22935256

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, 530, 640, 848, 932, 1060, 1165, 1280, 1696, 1864, 2120, 2330, 3392, 3728, 4240, 4660, 6784, 7456, 8480, 9320, 12349, 13568, 14912, 16960, 18640, 24698, 29824, 33920, 37280, 49396, 59648, 61745, 67840, 74560, 98792, 123490, 149120, 197584, 246980, 298240, 395168, 493960, 790336, 987920, 1580672, 1975840, 3161344, 3951680, 7903360, 15806720]

約数ペア:

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