72839920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 179943840

約数和(自身を除く): 107103920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 173, 190, 277, 304, 346, 380, 554, 692, 760, 865, 1108, 1384, 1385, 1520, 1730, 2216, 2768, 2770, 3287, 3460, 4432, 5263, 5540, 6574, 6920, 10526, 11080, 13148, 13840, 16435, 21052, 22160, 26296, 26315, 32870, 42104, 47921, 52592, 52630, 65740, 84208, 95842, 105260, 131480, 191684, 210520, 239605, 262960, 383368, 421040, 479210, 766736, 910499, 958420, 1820998, 1916840, 3641996, 3833680, 4552495, 7283992, 9104990, 14567984, 18209980, 36419960, 72839920]

約数ペア:

[(1, 72839920), (2, 36419960), (4, 18209980), (5, 14567984), (8, 9104990), (10, 7283992), (16, 4552495), (19, 3833680), (20, 3641996), (38, 1916840), (40, 1820998), (76, 958420), (80, 910499), (95, 766736), (152, 479210), (173, 421040), (190, 383368), (277, 262960), (304, 239605), (346, 210520), (380, 191684), (554, 131480), (692, 105260), (760, 95842), (865, 84208), (1108, 65740), (1384, 52630), (1385, 52592), (1520, 47921), (1730, 42104), (2216, 32870), (2768, 26315), (2770, 26296), (3287, 22160), (3460, 21052), (4432, 16435), (5263, 13840), (5540, 13148), (6574, 11080), (6920, 10526)]