15731240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:2994

約数の個数: 64

約数和(自身を含む): 42595200

約数和(自身を除く): 26863960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 2957, 5320, 5914, 11828, 14785, 20699, 23656, 29570, 41398, 56183, 59140, 82796, 103495, 112366, 118280, 165592, 206990, 224732, 280915, 393281, 413980, 449464, 561830, 786562, 827960, 1123660, 1573124, 1966405, 2247320, 3146248, 3932810, 7865620, 15731240]

約数ペア:

[(1, 15731240), (2, 7865620), (4, 3932810), (5, 3146248), (7, 2247320), (8, 1966405), (10, 1573124), (14, 1123660), (19, 827960), (20, 786562), (28, 561830), (35, 449464), (38, 413980), (40, 393281), (56, 280915), (70, 224732), (76, 206990), (95, 165592), (133, 118280), (140, 112366), (152, 103495), (190, 82796), (266, 59140), (280, 56183), (380, 41398), (532, 29570), (665, 23656), (760, 20699), (1064, 14785), (1330, 11828), (2660, 5914), (2957, 5320)]