280869840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{390097}}^1$

素因数の和:390116

約数の個数: 60

約数和(自身を含む): 943256964

約数和(自身を除く): 662387124

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, 390097, 780194, 1170291, 1560388, 1950485, 2340582, 3120776, 3510873, 3900970, 4681164, 5851455, 6241552, 7021746, 7801940, 9362328, 11702910, 14043492, 15603880, 17554365, 18724656, 23405820, 28086984, 31207760, 35108730, 46811640, 56173968, 70217460, 93623280, 140434920, 280869840]

約数ペア:

[(1, 280869840), (2, 140434920), (3, 93623280), (4, 70217460), (5, 56173968), (6, 46811640), (8, 35108730), (9, 31207760), (10, 28086984), (12, 23405820), (15, 18724656), (16, 17554365), (18, 15603880), (20, 14043492), (24, 11702910), (30, 9362328), (36, 7801940), (40, 7021746), (45, 6241552), (48, 5851455), (60, 4681164), (72, 3900970), (80, 3510873), (90, 3120776), (120, 2340582), (144, 1950485), (180, 1560388), (240, 1170291), (360, 780194), (720, 390097)]