66649140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 211411200

約数和(自身を除く): 144762060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 79, 86, 90, 109, 129, 158, 172, 180, 215, 218, 237, 258, 316, 327, 387, 395, 430, 436, 474, 516, 545, 645, 654, 711, 774, 790, 860, 948, 981, 1090, 1185, 1290, 1308, 1422, 1548, 1580, 1635, 1935, 1962, 2180, 2370, 2580, 2844, 3270, 3397, 3555, 3870, 3924, 4687, 4740, 4905, 6540, 6794, 7110, 7740, 8611, 9374, 9810, 10191, 13588, 14061, 14220, 16985, 17222, 18748, 19620, 20382, 23435, 25833, 28122, 30573, 33970, 34444, 40764, 42183, 43055, 46870, 50955, 51666, 56244, 61146, 67940, 70305, 77499, 84366, 86110, 93740, 101910, 103332, 122292, 129165, 140610, 152865, 154998, 168732, 172220, 203820, 210915, 258330, 281220, 305730, 309996, 370273, 387495, 421830, 516660, 611460, 740546, 774990, 843660, 1110819, 1481092, 1549980, 1851365, 2221638, 3332457, 3702730, 4443276, 5554095, 6664914, 7405460, 11108190, 13329828, 16662285, 22216380, 33324570, 66649140]

約数ペア:

[(1, 66649140), (2, 33324570), (3, 22216380), (4, 16662285), (5, 13329828), (6, 11108190), (9, 7405460), (10, 6664914), (12, 5554095), (15, 4443276), (18, 3702730), (20, 3332457), (30, 2221638), (36, 1851365), (43, 1549980), (45, 1481092), (60, 1110819), (79, 843660), (86, 774990), (90, 740546), (109, 611460), (129, 516660), (158, 421830), (172, 387495), (180, 370273), (215, 309996), (218, 305730), (237, 281220), (258, 258330), (316, 210915), (327, 203820), (387, 172220), (395, 168732), (430, 154998), (436, 152865), (474, 140610), (516, 129165), (545, 122292), (645, 103332), (654, 101910), (711, 93740), (774, 86110), (790, 84366), (860, 77499), (948, 70305), (981, 67940), (1090, 61146), (1185, 56244), (1290, 51666), (1308, 50955), (1422, 46870), (1548, 43055), (1580, 42183), (1635, 40764), (1935, 34444), (1962, 33970), (2180, 30573), (2370, 28122), (2580, 25833), (2844, 23435), (3270, 20382), (3397, 19620), (3555, 18748), (3870, 17222), (3924, 16985), (4687, 14220), (4740, 14061), (4905, 13588), (6540, 10191), (6794, 9810), (7110, 9374), (7740, 8611)]