1256320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 3255840

約数和(自身を除く): 1999520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 151, 160, 208, 260, 302, 320, 416, 520, 604, 640, 755, 832, 1040, 1208, 1510, 1664, 1963, 2080, 2416, 3020, 3926, 4160, 4832, 6040, 7852, 8320, 9664, 9815, 12080, 15704, 19328, 19630, 24160, 31408, 39260, 48320, 62816, 78520, 96640, 125632, 157040, 251264, 314080, 628160, 1256320]

約数ペア:

[(1, 1256320), (2, 628160), (4, 314080), (5, 251264), (8, 157040), (10, 125632), (13, 96640), (16, 78520), (20, 62816), (26, 48320), (32, 39260), (40, 31408), (52, 24160), (64, 19630), (65, 19328), (80, 15704), (104, 12080), (128, 9815), (130, 9664), (151, 8320), (160, 7852), (208, 6040), (260, 4832), (302, 4160), (320, 3926), (416, 3020), (520, 2416), (604, 2080), (640, 1963), (755, 1664), (832, 1510), (1040, 1208)]