69311440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1100

約数の個数: 80

約数和(自身を含む): 178202880

約数和(自身を除く): 108891440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 997, 1264, 1580, 1738, 1994, 3160, 3476, 3988, 4345, 4985, 6320, 6952, 7976, 8690, 9970, 10967, 13904, 15952, 17380, 19940, 21934, 34760, 39880, 43868, 54835, 69520, 78763, 79760, 87736, 109670, 157526, 175472, 219340, 315052, 393815, 438680, 630104, 787630, 866393, 877360, 1260208, 1575260, 1732786, 3150520, 3465572, 4331965, 6301040, 6931144, 8663930, 13862288, 17327860, 34655720, 69311440]

約数ペア:

[(1, 69311440), (2, 34655720), (4, 17327860), (5, 13862288), (8, 8663930), (10, 6931144), (11, 6301040), (16, 4331965), (20, 3465572), (22, 3150520), (40, 1732786), (44, 1575260), (55, 1260208), (79, 877360), (80, 866393), (88, 787630), (110, 630104), (158, 438680), (176, 393815), (220, 315052), (316, 219340), (395, 175472), (440, 157526), (632, 109670), (790, 87736), (869, 79760), (880, 78763), (997, 69520), (1264, 54835), (1580, 43868), (1738, 39880), (1994, 34760), (3160, 21934), (3476, 19940), (3988, 17380), (4345, 15952), (4985, 13904), (6320, 10967), (6952, 9970), (7976, 8690)]