66604640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:600

約数の個数: 96

約数和(自身を含む): 170481024

約数和(自身を除く): 103876384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 235, 272, 340, 376, 470, 521, 544, 680, 752, 799, 940, 1042, 1360, 1504, 1598, 1880, 2084, 2605, 2720, 3196, 3760, 3995, 4168, 5210, 6392, 7520, 7990, 8336, 8857, 10420, 12784, 15980, 16672, 17714, 20840, 24487, 25568, 31960, 35428, 41680, 44285, 48974, 63920, 70856, 83360, 88570, 97948, 122435, 127840, 141712, 177140, 195896, 244870, 283424, 354280, 391792, 416279, 489740, 708560, 783584, 832558, 979480, 1417120, 1665116, 1958960, 2081395, 3330232, 3917920, 4162790, 6660464, 8325580, 13320928, 16651160, 33302320, 66604640]

約数ペア:

[(1, 66604640), (2, 33302320), (4, 16651160), (5, 13320928), (8, 8325580), (10, 6660464), (16, 4162790), (17, 3917920), (20, 3330232), (32, 2081395), (34, 1958960), (40, 1665116), (47, 1417120), (68, 979480), (80, 832558), (85, 783584), (94, 708560), (136, 489740), (160, 416279), (170, 391792), (188, 354280), (235, 283424), (272, 244870), (340, 195896), (376, 177140), (470, 141712), (521, 127840), (544, 122435), (680, 97948), (752, 88570), (799, 83360), (940, 70856), (1042, 63920), (1360, 48974), (1504, 44285), (1598, 41680), (1880, 35428), (2084, 31960), (2605, 25568), (2720, 24487), (3196, 20840), (3760, 17714), (3995, 16672), (4168, 15980), (5210, 12784), (6392, 10420), (7520, 8857), (7990, 8336)]