18120060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 63999936

約数和(自身を除く): 45879876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 197, 210, 219, 252, 292, 315, 365, 394, 420, 438, 511, 591, 630, 657, 730, 788, 876, 985, 1022, 1095, 1182, 1260, 1314, 1379, 1460, 1533, 1773, 1970, 2044, 2190, 2364, 2555, 2628, 2758, 2955, 3066, 3285, 3546, 3940, 4137, 4380, 4599, 5110, 5516, 5910, 6132, 6570, 6895, 7092, 7665, 8274, 8865, 9198, 10220, 11820, 12411, 13140, 13790, 14381, 15330, 16548, 17730, 18396, 20685, 22995, 24822, 27580, 28762, 30660, 35460, 41370, 43143, 45990, 49644, 57524, 62055, 71905, 82740, 86286, 91980, 100667, 124110, 129429, 143810, 172572, 201334, 215715, 248220, 258858, 287620, 302001, 402668, 431430, 503335, 517716, 604002, 647145, 862860, 906003, 1006670, 1208004, 1294290, 1510005, 1812006, 2013340, 2588580, 3020010, 3624012, 4530015, 6040020, 9060030, 18120060]

約数ペア:

[(1, 18120060), (2, 9060030), (3, 6040020), (4, 4530015), (5, 3624012), (6, 3020010), (7, 2588580), (9, 2013340), (10, 1812006), (12, 1510005), (14, 1294290), (15, 1208004), (18, 1006670), (20, 906003), (21, 862860), (28, 647145), (30, 604002), (35, 517716), (36, 503335), (42, 431430), (45, 402668), (60, 302001), (63, 287620), (70, 258858), (73, 248220), (84, 215715), (90, 201334), (105, 172572), (126, 143810), (140, 129429), (146, 124110), (180, 100667), (197, 91980), (210, 86286), (219, 82740), (252, 71905), (292, 62055), (315, 57524), (365, 49644), (394, 45990), (420, 43143), (438, 41370), (511, 35460), (591, 30660), (630, 28762), (657, 27580), (730, 24822), (788, 22995), (876, 20685), (985, 18396), (1022, 17730), (1095, 16548), (1182, 15330), (1260, 14381), (1314, 13790), (1379, 13140), (1460, 12411), (1533, 11820), (1773, 10220), (1970, 9198), (2044, 8865), (2190, 8274), (2364, 7665), (2555, 7092), (2628, 6895), (2758, 6570), (2955, 6132), (3066, 5910), (3285, 5516), (3546, 5110), (3940, 4599), (4137, 4380)]