66865860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 212756544

約数和(自身を除く): 145890684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 53, 60, 86, 90, 106, 129, 159, 163, 172, 180, 212, 215, 258, 265, 318, 326, 387, 430, 477, 489, 516, 530, 636, 645, 652, 774, 795, 815, 860, 954, 978, 1060, 1290, 1467, 1548, 1590, 1630, 1908, 1935, 1956, 2279, 2385, 2445, 2580, 2934, 3180, 3260, 3870, 4558, 4770, 4890, 5868, 6837, 7009, 7335, 7740, 8639, 9116, 9540, 9780, 11395, 13674, 14018, 14670, 17278, 20511, 21027, 22790, 25917, 27348, 28036, 29340, 34185, 34556, 35045, 41022, 42054, 43195, 45580, 51834, 63081, 68370, 70090, 77751, 82044, 84108, 86390, 102555, 103668, 105135, 126162, 129585, 136740, 140180, 155502, 172780, 205110, 210270, 252324, 259170, 311004, 315405, 371477, 388755, 410220, 420540, 518340, 630810, 742954, 777510, 1114431, 1261620, 1485908, 1555020, 1857385, 2228862, 3343293, 3714770, 4457724, 5572155, 6686586, 7429540, 11144310, 13373172, 16716465, 22288620, 33432930, 66865860]

約数ペア:

[(1, 66865860), (2, 33432930), (3, 22288620), (4, 16716465), (5, 13373172), (6, 11144310), (9, 7429540), (10, 6686586), (12, 5572155), (15, 4457724), (18, 3714770), (20, 3343293), (30, 2228862), (36, 1857385), (43, 1555020), (45, 1485908), (53, 1261620), (60, 1114431), (86, 777510), (90, 742954), (106, 630810), (129, 518340), (159, 420540), (163, 410220), (172, 388755), (180, 371477), (212, 315405), (215, 311004), (258, 259170), (265, 252324), (318, 210270), (326, 205110), (387, 172780), (430, 155502), (477, 140180), (489, 136740), (516, 129585), (530, 126162), (636, 105135), (645, 103668), (652, 102555), (774, 86390), (795, 84108), (815, 82044), (860, 77751), (954, 70090), (978, 68370), (1060, 63081), (1290, 51834), (1467, 45580), (1548, 43195), (1590, 42054), (1630, 41022), (1908, 35045), (1935, 34556), (1956, 34185), (2279, 29340), (2385, 28036), (2445, 27348), (2580, 25917), (2934, 22790), (3180, 21027), (3260, 20511), (3870, 17278), (4558, 14670), (4770, 14018), (4890, 13674), (5868, 11395), (6837, 9780), (7009, 9540), (7335, 9116), (7740, 8639)]