31680640

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:917

約数の個数: 64

約数和(自身を含む): 77112000

約数和(自身を除く): 45431360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 590, 640, 839, 944, 1180, 1678, 1888, 2360, 3356, 3776, 4195, 4720, 6712, 7552, 8390, 9440, 13424, 16780, 18880, 26848, 33560, 37760, 49501, 53696, 67120, 99002, 107392, 134240, 198004, 247505, 268480, 396008, 495010, 536960, 792016, 990020, 1584032, 1980040, 3168064, 3960080, 6336128, 7920160, 15840320, 31680640]

約数ペア:

[(1, 31680640), (2, 15840320), (4, 7920160), (5, 6336128), (8, 3960080), (10, 3168064), (16, 1980040), (20, 1584032), (32, 990020), (40, 792016), (59, 536960), (64, 495010), (80, 396008), (118, 268480), (128, 247505), (160, 198004), (236, 134240), (295, 107392), (320, 99002), (472, 67120), (590, 53696), (640, 49501), (839, 37760), (944, 33560), (1180, 26848), (1678, 18880), (1888, 16780), (2360, 13424), (3356, 9440), (3776, 8390), (4195, 7552), (4720, 6712)]