78800880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1049}}^1$

素因数の和:1378

約数の個数: 80

約数和(自身を含む): 245296800

約数和(自身を除く): 166495920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 313, 626, 939, 1049, 1252, 1565, 1878, 2098, 2504, 3130, 3147, 3756, 4196, 4695, 5008, 5245, 6260, 6294, 7512, 8392, 9390, 10490, 12520, 12588, 15024, 15735, 16784, 18780, 20980, 25040, 25176, 31470, 37560, 41960, 50352, 62940, 75120, 83920, 125880, 251760, 328337, 656674, 985011, 1313348, 1641685, 1970022, 2626696, 3283370, 3940044, 4925055, 5253392, 6566740, 7880088, 9850110, 13133480, 15760176, 19700220, 26266960, 39400440, 78800880]

約数ペア:

[(1, 78800880), (2, 39400440), (3, 26266960), (4, 19700220), (5, 15760176), (6, 13133480), (8, 9850110), (10, 7880088), (12, 6566740), (15, 5253392), (16, 4925055), (20, 3940044), (24, 3283370), (30, 2626696), (40, 1970022), (48, 1641685), (60, 1313348), (80, 985011), (120, 656674), (240, 328337), (313, 251760), (626, 125880), (939, 83920), (1049, 75120), (1252, 62940), (1565, 50352), (1878, 41960), (2098, 37560), (2504, 31470), (3130, 25176), (3147, 25040), (3756, 20980), (4196, 18780), (4695, 16784), (5008, 15735), (5245, 15024), (6260, 12588), (6294, 12520), (7512, 10490), (8392, 9390)]