253597360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{349}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 612460800

約数和(自身を除く): 358863440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 293, 310, 349, 496, 586, 620, 698, 1172, 1240, 1396, 1465, 1745, 2344, 2480, 2792, 2930, 3490, 4688, 5584, 5860, 6980, 9083, 10819, 11720, 13960, 18166, 21638, 23440, 27920, 36332, 43276, 45415, 54095, 72664, 86552, 90830, 102257, 108190, 145328, 173104, 181660, 204514, 216380, 363320, 409028, 432760, 511285, 726640, 818056, 865520, 1022570, 1636112, 2045140, 3169967, 4090280, 6339934, 8180560, 12679868, 15849835, 25359736, 31699670, 50719472, 63399340, 126798680, 253597360]

約数ペア:

[(1, 253597360), (2, 126798680), (4, 63399340), (5, 50719472), (8, 31699670), (10, 25359736), (16, 15849835), (20, 12679868), (31, 8180560), (40, 6339934), (62, 4090280), (80, 3169967), (124, 2045140), (155, 1636112), (248, 1022570), (293, 865520), (310, 818056), (349, 726640), (496, 511285), (586, 432760), (620, 409028), (698, 363320), (1172, 216380), (1240, 204514), (1396, 181660), (1465, 173104), (1745, 145328), (2344, 108190), (2480, 102257), (2792, 90830), (2930, 86552), (3490, 72664), (4688, 54095), (5584, 45415), (5860, 43276), (6980, 36332), (9083, 27920), (10819, 23440), (11720, 21638), (13960, 18166)]