80778900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 253483776

約数和(自身を除く): 172704876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 47, 50, 51, 60, 68, 75, 85, 94, 100, 102, 141, 150, 170, 188, 204, 235, 255, 282, 300, 337, 340, 425, 470, 510, 564, 674, 705, 799, 850, 940, 1011, 1020, 1175, 1275, 1348, 1410, 1598, 1685, 1700, 2022, 2350, 2397, 2550, 2820, 3196, 3370, 3525, 3995, 4044, 4700, 4794, 5055, 5100, 5729, 6740, 7050, 7990, 8425, 9588, 10110, 11458, 11985, 14100, 15839, 15980, 16850, 17187, 19975, 20220, 22916, 23970, 25275, 28645, 31678, 33700, 34374, 39950, 47517, 47940, 50550, 57290, 59925, 63356, 68748, 79195, 79900, 85935, 95034, 101100, 114580, 119850, 143225, 158390, 171870, 190068, 237585, 239700, 269263, 286450, 316780, 343740, 395975, 429675, 475170, 538526, 572900, 791950, 807789, 859350, 950340, 1077052, 1187925, 1346315, 1583900, 1615578, 1718700, 2375850, 2692630, 3231156, 4038945, 4751700, 5385260, 6731575, 8077890, 13463150, 16155780, 20194725, 26926300, 40389450, 80778900]

約数ペア:

[(1, 80778900), (2, 40389450), (3, 26926300), (4, 20194725), (5, 16155780), (6, 13463150), (10, 8077890), (12, 6731575), (15, 5385260), (17, 4751700), (20, 4038945), (25, 3231156), (30, 2692630), (34, 2375850), (47, 1718700), (50, 1615578), (51, 1583900), (60, 1346315), (68, 1187925), (75, 1077052), (85, 950340), (94, 859350), (100, 807789), (102, 791950), (141, 572900), (150, 538526), (170, 475170), (188, 429675), (204, 395975), (235, 343740), (255, 316780), (282, 286450), (300, 269263), (337, 239700), (340, 237585), (425, 190068), (470, 171870), (510, 158390), (564, 143225), (674, 119850), (705, 114580), (799, 101100), (850, 95034), (940, 85935), (1011, 79900), (1020, 79195), (1175, 68748), (1275, 63356), (1348, 59925), (1410, 57290), (1598, 50550), (1685, 47940), (1700, 47517), (2022, 39950), (2350, 34374), (2397, 33700), (2550, 31678), (2820, 28645), (3196, 25275), (3370, 23970), (3525, 22916), (3995, 20220), (4044, 19975), (4700, 17187), (4794, 16850), (5055, 15980), (5100, 15839), (5729, 14100), (6740, 11985), (7050, 11458), (7990, 10110), (8425, 9588)]