287678880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{199777}}^1$

素因数の和:199798

約数の個数: 72

約数和(自身を含む): 981709092

約数和(自身を除く): 694030212

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 199777, 399554, 599331, 799108, 998885, 1198662, 1598216, 1797993, 1997770, 2397324, 2996655, 3196432, 3595986, 3995540, 4794648, 5993310, 6392864, 7191972, 7991080, 8989965, 9589296, 11986620, 14383944, 15982160, 17979930, 19178592, 23973240, 28767888, 31964320, 35959860, 47946480, 57535776, 71919720, 95892960, 143839440, 287678880]

約数ペア:

[(1, 287678880), (2, 143839440), (3, 95892960), (4, 71919720), (5, 57535776), (6, 47946480), (8, 35959860), (9, 31964320), (10, 28767888), (12, 23973240), (15, 19178592), (16, 17979930), (18, 15982160), (20, 14383944), (24, 11986620), (30, 9589296), (32, 8989965), (36, 7991080), (40, 7191972), (45, 6392864), (48, 5993310), (60, 4794648), (72, 3995540), (80, 3595986), (90, 3196432), (96, 2996655), (120, 2397324), (144, 1997770), (160, 1797993), (180, 1598216), (240, 1198662), (288, 998885), (360, 799108), (480, 599331), (720, 399554), (1440, 199777)]