128516040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{356989}}^1$

素因数の和:357006

約数の個数: 48

約数和(自身を含む): 417678300

約数和(自身を除く): 289162260

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, 356989, 713978, 1070967, 1427956, 1784945, 2141934, 2855912, 3212901, 3569890, 4283868, 5354835, 6425802, 7139780, 8567736, 10709670, 12851604, 14279560, 16064505, 21419340, 25703208, 32129010, 42838680, 64258020, 128516040]

約数ペア:

[(1, 128516040), (2, 64258020), (3, 42838680), (4, 32129010), (5, 25703208), (6, 21419340), (8, 16064505), (9, 14279560), (10, 12851604), (12, 10709670), (15, 8567736), (18, 7139780), (20, 6425802), (24, 5354835), (30, 4283868), (36, 3569890), (40, 3212901), (45, 2855912), (60, 2141934), (72, 1784945), (90, 1427956), (120, 1070967), (180, 713978), (360, 356989)]