180140040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{500389}}^1$

素因数の和:500406

約数の個数: 48

約数和(自身を含む): 585456300

約数和(自身を除く): 405316260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 500389, 1000778, 1501167, 2001556, 2501945, 3002334, 4003112, 4503501, 5003890, 6004668, 7505835, 9007002, 10007780, 12009336, 15011670, 18014004, 20015560, 22517505, 30023340, 36028008, 45035010, 60046680, 90070020, 180140040]

約数ペア:

[(1, 180140040), (2, 90070020), (3, 60046680), (4, 45035010), (5, 36028008), (6, 30023340), (8, 22517505), (9, 20015560), (10, 18014004), (12, 15011670), (15, 12009336), (18, 10007780), (20, 9007002), (24, 7505835), (30, 6004668), (36, 5003890), (40, 4503501), (45, 4003112), (60, 3002334), (72, 2501945), (90, 2001556), (120, 1501167), (180, 1000778), (360, 500389)]