69522640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 177667200

約数和(自身を除く): 108144560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 397, 398, 440, 794, 796, 880, 995, 1588, 1592, 1985, 1990, 2189, 3176, 3184, 3970, 3980, 4367, 4378, 6352, 7940, 7960, 8734, 8756, 10945, 15880, 15920, 17468, 17512, 21835, 21890, 31760, 34936, 35024, 43670, 43780, 69872, 79003, 87340, 87560, 158006, 174680, 175120, 316012, 349360, 395015, 632024, 790030, 869033, 1264048, 1580060, 1738066, 3160120, 3476132, 4345165, 6320240, 6952264, 8690330, 13904528, 17380660, 34761320, 69522640]

約数ペア:

[(1, 69522640), (2, 34761320), (4, 17380660), (5, 13904528), (8, 8690330), (10, 6952264), (11, 6320240), (16, 4345165), (20, 3476132), (22, 3160120), (40, 1738066), (44, 1580060), (55, 1264048), (80, 869033), (88, 790030), (110, 632024), (176, 395015), (199, 349360), (220, 316012), (397, 175120), (398, 174680), (440, 158006), (794, 87560), (796, 87340), (880, 79003), (995, 69872), (1588, 43780), (1592, 43670), (1985, 35024), (1990, 34936), (2189, 31760), (3176, 21890), (3184, 21835), (3970, 17512), (3980, 17468), (4367, 15920), (4378, 15880), (6352, 10945), (7940, 8756), (7960, 8734)]