15877730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 17714590

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 71, 95, 107, 110, 142, 190, 209, 214, 355, 418, 535, 710, 781, 1045, 1070, 1177, 1349, 1562, 2033, 2090, 2354, 2698, 3905, 4066, 5885, 6745, 7597, 7810, 10165, 11770, 13490, 14839, 15194, 20330, 22363, 29678, 37985, 44726, 74195, 75970, 83567, 111815, 144343, 148390, 167134, 223630, 288686, 417835, 721715, 835670, 1443430, 1587773, 3175546, 7938865, 15877730]

約数ペア:

[(1, 15877730), (2, 7938865), (5, 3175546), (10, 1587773), (11, 1443430), (19, 835670), (22, 721715), (38, 417835), (55, 288686), (71, 223630), (95, 167134), (107, 148390), (110, 144343), (142, 111815), (190, 83567), (209, 75970), (214, 74195), (355, 44726), (418, 37985), (535, 29678), (710, 22363), (781, 20330), (1045, 15194), (1070, 14839), (1177, 13490), (1349, 11770), (1562, 10165), (2033, 7810), (2090, 7597), (2354, 6745), (2698, 5885), (3905, 4066)]