15647970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40123}}^1$

素因数の和:40146

約数の個数: 32

約数和(自身を含む): 40444992

約数和(自身を除く): 24797022

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 40123, 80246, 120369, 200615, 240738, 401230, 521599, 601845, 1043198, 1203690, 1564797, 2607995, 3129594, 5215990, 7823985, 15647970]

約数ペア:

[(1, 15647970), (2, 7823985), (3, 5215990), (5, 3129594), (6, 2607995), (10, 1564797), (13, 1203690), (15, 1043198), (26, 601845), (30, 521599), (39, 401230), (65, 240738), (78, 200615), (130, 120369), (195, 80246), (390, 40123)]