261015120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{362521}}^1$

素因数の和:362540

約数の個数: 60

約数和(自身を含む): 876578196

約数和(自身を除く): 615563076

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 362521, 725042, 1087563, 1450084, 1812605, 2175126, 2900168, 3262689, 3625210, 4350252, 5437815, 5800336, 6525378, 7250420, 8700504, 10875630, 13050756, 14500840, 16313445, 17401008, 21751260, 26101512, 29001680, 32626890, 43502520, 52203024, 65253780, 87005040, 130507560, 261015120]

約数ペア:

[(1, 261015120), (2, 130507560), (3, 87005040), (4, 65253780), (5, 52203024), (6, 43502520), (8, 32626890), (9, 29001680), (10, 26101512), (12, 21751260), (15, 17401008), (16, 16313445), (18, 14500840), (20, 13050756), (24, 10875630), (30, 8700504), (36, 7250420), (40, 6525378), (45, 5800336), (48, 5437815), (60, 4350252), (72, 3625210), (80, 3262689), (90, 2900168), (120, 2175126), (144, 1812605), (180, 1450084), (240, 1087563), (360, 725042), (720, 362521)]