89028280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 231413760

約数和(自身を除く): 142385480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 61, 62, 88, 107, 110, 122, 124, 155, 214, 220, 244, 248, 305, 310, 341, 428, 440, 488, 535, 610, 620, 671, 682, 856, 1070, 1177, 1220, 1240, 1342, 1364, 1705, 1891, 2140, 2354, 2440, 2684, 2728, 3317, 3355, 3410, 3782, 4280, 4708, 5368, 5885, 6527, 6634, 6710, 6820, 7564, 9416, 9455, 11770, 13054, 13268, 13420, 13640, 15128, 16585, 18910, 20801, 23540, 26108, 26536, 26840, 32635, 33170, 36487, 37820, 41602, 47080, 52216, 65270, 66340, 71797, 72974, 75640, 83204, 104005, 130540, 132680, 143594, 145948, 166408, 182435, 202337, 208010, 261080, 287188, 291896, 358985, 364870, 404674, 416020, 574376, 717970, 729740, 809348, 832040, 1011685, 1435940, 1459480, 1618696, 2023370, 2225707, 2871880, 4046740, 4451414, 8093480, 8902828, 11128535, 17805656, 22257070, 44514140, 89028280]

約数ペア:

[(1, 89028280), (2, 44514140), (4, 22257070), (5, 17805656), (8, 11128535), (10, 8902828), (11, 8093480), (20, 4451414), (22, 4046740), (31, 2871880), (40, 2225707), (44, 2023370), (55, 1618696), (61, 1459480), (62, 1435940), (88, 1011685), (107, 832040), (110, 809348), (122, 729740), (124, 717970), (155, 574376), (214, 416020), (220, 404674), (244, 364870), (248, 358985), (305, 291896), (310, 287188), (341, 261080), (428, 208010), (440, 202337), (488, 182435), (535, 166408), (610, 145948), (620, 143594), (671, 132680), (682, 130540), (856, 104005), (1070, 83204), (1177, 75640), (1220, 72974), (1240, 71797), (1342, 66340), (1364, 65270), (1705, 52216), (1891, 47080), (2140, 41602), (2354, 37820), (2440, 36487), (2684, 33170), (2728, 32635), (3317, 26840), (3355, 26536), (3410, 26108), (3782, 23540), (4280, 20801), (4708, 18910), (5368, 16585), (5885, 15128), (6527, 13640), (6634, 13420), (6710, 13268), (6820, 13054), (7564, 11770), (9416, 9455)]