81495280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1933}}^1$

素因数の和:1994

約数の個数: 80

約数和(自身を含む): 207201024

約数和(自身を除く): 125705744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 1933, 2108, 2480, 2635, 3866, 4216, 5270, 7732, 8432, 9665, 10540, 15464, 19330, 21080, 30928, 32861, 38660, 42160, 59923, 65722, 77320, 119846, 131444, 154640, 164305, 239692, 262888, 299615, 328610, 479384, 525776, 599230, 657220, 958768, 1018691, 1198460, 1314440, 2037382, 2396920, 2628880, 4074764, 4793840, 5093455, 8149528, 10186910, 16299056, 20373820, 40747640, 81495280]

約数ペア:

[(1, 81495280), (2, 40747640), (4, 20373820), (5, 16299056), (8, 10186910), (10, 8149528), (16, 5093455), (17, 4793840), (20, 4074764), (31, 2628880), (34, 2396920), (40, 2037382), (62, 1314440), (68, 1198460), (80, 1018691), (85, 958768), (124, 657220), (136, 599230), (155, 525776), (170, 479384), (248, 328610), (272, 299615), (310, 262888), (340, 239692), (496, 164305), (527, 154640), (620, 131444), (680, 119846), (1054, 77320), (1240, 65722), (1360, 59923), (1933, 42160), (2108, 38660), (2480, 32861), (2635, 30928), (3866, 21080), (4216, 19330), (5270, 15464), (7732, 10540), (8432, 9665)]