15275620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 34372800

約数和(自身を除く): 19097180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 659, 1159, 1220, 1318, 2318, 2636, 3295, 4636, 5795, 6590, 11590, 12521, 13180, 23180, 25042, 40199, 50084, 62605, 80398, 125210, 160796, 200995, 250420, 401990, 763781, 803980, 1527562, 3055124, 3818905, 7637810, 15275620]

約数ペア:

[(1, 15275620), (2, 7637810), (4, 3818905), (5, 3055124), (10, 1527562), (19, 803980), (20, 763781), (38, 401990), (61, 250420), (76, 200995), (95, 160796), (122, 125210), (190, 80398), (244, 62605), (305, 50084), (380, 40199), (610, 25042), (659, 23180), (1159, 13180), (1220, 12521), (1318, 11590), (2318, 6590), (2636, 5795), (3295, 4636)]