389923440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1624681}}^1$

素因数の和:1624697

約数の個数: 40

約数和(自身を含む): 1208763408

約数和(自身を除く): 818839968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1624681, 3249362, 4874043, 6498724, 8123405, 9748086, 12997448, 16246810, 19496172, 24370215, 25994896, 32493620, 38992344, 48740430, 64987240, 77984688, 97480860, 129974480, 194961720, 389923440]

約数ペア:

[(1, 389923440), (2, 194961720), (3, 129974480), (4, 97480860), (5, 77984688), (6, 64987240), (8, 48740430), (10, 38992344), (12, 32493620), (15, 25994896), (16, 24370215), (20, 19496172), (24, 16246810), (30, 12997448), (40, 9748086), (48, 8123405), (60, 6498724), (80, 4874043), (120, 3249362), (240, 1624681)]