72051760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2062

約数の個数: 80

約数和(自身を含む): 187300512

約数和(自身を除く): 115248752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 1997, 2255, 3280, 3608, 3994, 4510, 7216, 7988, 9020, 9985, 15976, 18040, 19970, 21967, 31952, 36080, 39940, 43934, 79880, 81877, 87868, 109835, 159760, 163754, 175736, 219670, 327508, 351472, 409385, 439340, 655016, 818770, 878680, 900647, 1310032, 1637540, 1757360, 1801294, 3275080, 3602588, 4503235, 6550160, 7205176, 9006470, 14410352, 18012940, 36025880, 72051760]

約数ペア:

[(1, 72051760), (2, 36025880), (4, 18012940), (5, 14410352), (8, 9006470), (10, 7205176), (11, 6550160), (16, 4503235), (20, 3602588), (22, 3275080), (40, 1801294), (41, 1757360), (44, 1637540), (55, 1310032), (80, 900647), (82, 878680), (88, 818770), (110, 655016), (164, 439340), (176, 409385), (205, 351472), (220, 327508), (328, 219670), (410, 175736), (440, 163754), (451, 159760), (656, 109835), (820, 87868), (880, 81877), (902, 79880), (1640, 43934), (1804, 39940), (1997, 36080), (2255, 31952), (3280, 21967), (3608, 19970), (3994, 18040), (4510, 15976), (7216, 9985), (7988, 9020)]