319784720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67751}}^1$

素因数の和:67823

約数の個数: 40

約数和(自身を含む): 756112320

約数和(自身を除く): 436327600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 67751, 135502, 271004, 338755, 542008, 677510, 1084016, 1355020, 2710040, 3997309, 5420080, 7994618, 15989236, 19986545, 31978472, 39973090, 63956944, 79946180, 159892360, 319784720]

約数ペア:

[(1, 319784720), (2, 159892360), (4, 79946180), (5, 63956944), (8, 39973090), (10, 31978472), (16, 19986545), (20, 15989236), (40, 7994618), (59, 5420080), (80, 3997309), (118, 2710040), (236, 1355020), (295, 1084016), (472, 677510), (590, 542008), (944, 338755), (1180, 271004), (2360, 135502), (4720, 67751)]