12152013520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{13627}}^1$

素因数の和:13868

約数の個数: 80

約数和(自身を含む): 28835975808

約数和(自身を除く): 16683962288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 157, 284, 314, 355, 568, 628, 710, 785, 1136, 1256, 1420, 1570, 2512, 2840, 3140, 5680, 6280, 11147, 12560, 13627, 22294, 27254, 44588, 54508, 55735, 68135, 89176, 109016, 111470, 136270, 178352, 218032, 222940, 272540, 445880, 545080, 891760, 967517, 1090160, 1935034, 2139439, 3870068, 4278878, 4837585, 7740136, 8557756, 9675170, 10697195, 15480272, 17115512, 19350340, 21394390, 34231024, 38700680, 42788780, 77401360, 85577560, 151900169, 171155120, 303800338, 607600676, 759500845, 1215201352, 1519001690, 2430402704, 3038003380, 6076006760, 12152013520]

約数ペア:

[(1, 12152013520), (2, 6076006760), (4, 3038003380), (5, 2430402704), (8, 1519001690), (10, 1215201352), (16, 759500845), (20, 607600676), (40, 303800338), (71, 171155120), (80, 151900169), (142, 85577560), (157, 77401360), (284, 42788780), (314, 38700680), (355, 34231024), (568, 21394390), (628, 19350340), (710, 17115512), (785, 15480272), (1136, 10697195), (1256, 9675170), (1420, 8557756), (1570, 7740136), (2512, 4837585), (2840, 4278878), (3140, 3870068), (5680, 2139439), (6280, 1935034), (11147, 1090160), (12560, 967517), (13627, 891760), (22294, 545080), (27254, 445880), (44588, 272540), (54508, 222940), (55735, 218032), (68135, 178352), (89176, 136270), (109016, 111470)]