257229360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{357263}}^1$

素因数の和:357282

約数の個数: 60

約数和(自身を含む): 863864352

約数和(自身を除く): 606634992

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, 357263, 714526, 1071789, 1429052, 1786315, 2143578, 2858104, 3215367, 3572630, 4287156, 5358945, 5716208, 6430734, 7145260, 8574312, 10717890, 12861468, 14290520, 16076835, 17148624, 21435780, 25722936, 28581040, 32153670, 42871560, 51445872, 64307340, 85743120, 128614680, 257229360]

約数ペア:

[(1, 257229360), (2, 128614680), (3, 85743120), (4, 64307340), (5, 51445872), (6, 42871560), (8, 32153670), (9, 28581040), (10, 25722936), (12, 21435780), (15, 17148624), (16, 16076835), (18, 14290520), (20, 12861468), (24, 10717890), (30, 8574312), (36, 7145260), (40, 6430734), (45, 5716208), (48, 5358945), (60, 4287156), (72, 3572630), (80, 3215367), (90, 2858104), (120, 2143578), (144, 1786315), (180, 1429052), (240, 1071789), (360, 714526), (720, 357263)]