145679840

素因数分解:

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

素因数の和:484

約数の個数: 96

約数和(自身を含む): 365692320

約数和(自身を除く): 220012480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 173, 190, 277, 304, 346, 380, 554, 608, 692, 760, 865, 1108, 1384, 1385, 1520, 1730, 2216, 2768, 2770, 3040, 3287, 3460, 4432, 5263, 5536, 5540, 6574, 6920, 8864, 10526, 11080, 13148, 13840, 16435, 21052, 22160, 26296, 26315, 27680, 32870, 42104, 44320, 47921, 52592, 52630, 65740, 84208, 95842, 105184, 105260, 131480, 168416, 191684, 210520, 239605, 262960, 383368, 421040, 479210, 525920, 766736, 842080, 910499, 958420, 1533472, 1820998, 1916840, 3641996, 3833680, 4552495, 7283992, 7667360, 9104990, 14567984, 18209980, 29135968, 36419960, 72839920, 145679840]

約数ペア:

[(1, 145679840), (2, 72839920), (4, 36419960), (5, 29135968), (8, 18209980), (10, 14567984), (16, 9104990), (19, 7667360), (20, 7283992), (32, 4552495), (38, 3833680), (40, 3641996), (76, 1916840), (80, 1820998), (95, 1533472), (152, 958420), (160, 910499), (173, 842080), (190, 766736), (277, 525920), (304, 479210), (346, 421040), (380, 383368), (554, 262960), (608, 239605), (692, 210520), (760, 191684), (865, 168416), (1108, 131480), (1384, 105260), (1385, 105184), (1520, 95842), (1730, 84208), (2216, 65740), (2768, 52630), (2770, 52592), (3040, 47921), (3287, 44320), (3460, 42104), (4432, 32870), (5263, 27680), (5536, 26315), (5540, 26296), (6574, 22160), (6920, 21052), (8864, 16435), (10526, 13840), (11080, 13148)]