81616440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:589

約数の個数: 128

約数和(自身を含む): 259200000

約数和(自身を除く): 177583560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 47, 58, 60, 87, 94, 116, 120, 141, 145, 174, 188, 232, 235, 282, 290, 348, 376, 435, 470, 499, 564, 580, 696, 705, 870, 940, 998, 1128, 1160, 1363, 1410, 1497, 1740, 1880, 1996, 2495, 2726, 2820, 2994, 3480, 3992, 4089, 4990, 5452, 5640, 5988, 6815, 7485, 8178, 9980, 10904, 11976, 13630, 14471, 14970, 16356, 19960, 20445, 23453, 27260, 28942, 29940, 32712, 40890, 43413, 46906, 54520, 57884, 59880, 70359, 72355, 81780, 86826, 93812, 115768, 117265, 140718, 144710, 163560, 173652, 187624, 217065, 234530, 281436, 289420, 347304, 351795, 434130, 469060, 562872, 578840, 680137, 703590, 868260, 938120, 1360274, 1407180, 1736520, 2040411, 2720548, 2814360, 3400685, 4080822, 5441096, 6801370, 8161644, 10202055, 13602740, 16323288, 20404110, 27205480, 40808220, 81616440]

約数ペア:

[(1, 81616440), (2, 40808220), (3, 27205480), (4, 20404110), (5, 16323288), (6, 13602740), (8, 10202055), (10, 8161644), (12, 6801370), (15, 5441096), (20, 4080822), (24, 3400685), (29, 2814360), (30, 2720548), (40, 2040411), (47, 1736520), (58, 1407180), (60, 1360274), (87, 938120), (94, 868260), (116, 703590), (120, 680137), (141, 578840), (145, 562872), (174, 469060), (188, 434130), (232, 351795), (235, 347304), (282, 289420), (290, 281436), (348, 234530), (376, 217065), (435, 187624), (470, 173652), (499, 163560), (564, 144710), (580, 140718), (696, 117265), (705, 115768), (870, 93812), (940, 86826), (998, 81780), (1128, 72355), (1160, 70359), (1363, 59880), (1410, 57884), (1497, 54520), (1740, 46906), (1880, 43413), (1996, 40890), (2495, 32712), (2726, 29940), (2820, 28942), (2994, 27260), (3480, 23453), (3992, 20445), (4089, 19960), (4990, 16356), (5452, 14970), (5640, 14471), (5988, 13630), (6815, 11976), (7485, 10904), (8178, 9980)]