81919440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113777}}^1$

素因数の和:113796

約数の個数: 60

約数和(自身を含む): 275115204

約数和(自身を除く): 193195764

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, 113777, 227554, 341331, 455108, 568885, 682662, 910216, 1023993, 1137770, 1365324, 1706655, 1820432, 2047986, 2275540, 2730648, 3413310, 4095972, 4551080, 5119965, 5461296, 6826620, 8191944, 9102160, 10239930, 13653240, 16383888, 20479860, 27306480, 40959720, 81919440]

約数ペア:

[(1, 81919440), (2, 40959720), (3, 27306480), (4, 20479860), (5, 16383888), (6, 13653240), (8, 10239930), (9, 9102160), (10, 8191944), (12, 6826620), (15, 5461296), (16, 5119965), (18, 4551080), (20, 4095972), (24, 3413310), (30, 2730648), (36, 2275540), (40, 2047986), (45, 1820432), (48, 1706655), (60, 1365324), (72, 1137770), (80, 1023993), (90, 910216), (120, 682662), (144, 568885), (180, 455108), (240, 341331), (360, 227554), (720, 113777)]