77155240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 178738560

約数和(自身を除く): 101583320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 103, 122, 206, 244, 305, 307, 412, 488, 515, 610, 614, 824, 1030, 1220, 1228, 1535, 2060, 2440, 2456, 3070, 4120, 6140, 6283, 12280, 12566, 18727, 25132, 31415, 31621, 37454, 50264, 62830, 63242, 74908, 93635, 125660, 126484, 149816, 158105, 187270, 251320, 252968, 316210, 374540, 632420, 749080, 1264840, 1928881, 3857762, 7715524, 9644405, 15431048, 19288810, 38577620, 77155240]

約数ペア:

[(1, 77155240), (2, 38577620), (4, 19288810), (5, 15431048), (8, 9644405), (10, 7715524), (20, 3857762), (40, 1928881), (61, 1264840), (103, 749080), (122, 632420), (206, 374540), (244, 316210), (305, 252968), (307, 251320), (412, 187270), (488, 158105), (515, 149816), (610, 126484), (614, 125660), (824, 93635), (1030, 74908), (1220, 63242), (1228, 62830), (1535, 50264), (2060, 37454), (2440, 31621), (2456, 31415), (3070, 25132), (4120, 18727), (6140, 12566), (6283, 12280)]