15771990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1093}}^1$

素因数の和:1153

約数の個数: 64

約数和(自身を含む): 41904576

約数和(自身を除く): 26132586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1093, 1110, 1443, 2186, 2405, 2886, 3279, 4810, 5465, 6558, 7215, 10930, 14209, 14430, 16395, 28418, 32790, 40441, 42627, 71045, 80882, 85254, 121323, 142090, 202205, 213135, 242646, 404410, 426270, 525733, 606615, 1051466, 1213230, 1577199, 2628665, 3154398, 5257330, 7885995, 15771990]

約数ペア:

[(1, 15771990), (2, 7885995), (3, 5257330), (5, 3154398), (6, 2628665), (10, 1577199), (13, 1213230), (15, 1051466), (26, 606615), (30, 525733), (37, 426270), (39, 404410), (65, 242646), (74, 213135), (78, 202205), (111, 142090), (130, 121323), (185, 85254), (195, 80882), (222, 71045), (370, 42627), (390, 40441), (481, 32790), (555, 28418), (962, 16395), (1093, 14430), (1110, 14209), (1443, 10930), (2186, 7215), (2405, 6558), (2886, 5465), (3279, 4810)]