66561960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 213580800

約数和(自身を除く): 147018840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 435, 465, 580, 617, 620, 696, 744, 870, 899, 930, 1160, 1234, 1240, 1740, 1798, 1851, 1860, 2468, 2697, 3085, 3480, 3596, 3702, 3720, 4495, 4936, 5394, 6170, 7192, 7404, 8990, 9255, 10788, 12340, 13485, 14808, 17893, 17980, 18510, 19127, 21576, 24680, 26970, 35786, 35960, 37020, 38254, 53679, 53940, 57381, 71572, 74040, 76508, 89465, 95635, 107358, 107880, 114762, 143144, 153016, 178930, 191270, 214716, 229524, 268395, 286905, 357860, 382540, 429432, 459048, 536790, 554683, 573810, 715720, 765080, 1073580, 1109366, 1147620, 1664049, 2147160, 2218732, 2295240, 2773415, 3328098, 4437464, 5546830, 6656196, 8320245, 11093660, 13312392, 16640490, 22187320, 33280980, 66561960]

約数ペア:

[(1, 66561960), (2, 33280980), (3, 22187320), (4, 16640490), (5, 13312392), (6, 11093660), (8, 8320245), (10, 6656196), (12, 5546830), (15, 4437464), (20, 3328098), (24, 2773415), (29, 2295240), (30, 2218732), (31, 2147160), (40, 1664049), (58, 1147620), (60, 1109366), (62, 1073580), (87, 765080), (93, 715720), (116, 573810), (120, 554683), (124, 536790), (145, 459048), (155, 429432), (174, 382540), (186, 357860), (232, 286905), (248, 268395), (290, 229524), (310, 214716), (348, 191270), (372, 178930), (435, 153016), (465, 143144), (580, 114762), (617, 107880), (620, 107358), (696, 95635), (744, 89465), (870, 76508), (899, 74040), (930, 71572), (1160, 57381), (1234, 53940), (1240, 53679), (1740, 38254), (1798, 37020), (1851, 35960), (1860, 35786), (2468, 26970), (2697, 24680), (3085, 21576), (3480, 19127), (3596, 18510), (3702, 17980), (3720, 17893), (4495, 14808), (4936, 13485), (5394, 12340), (6170, 10788), (7192, 9255), (7404, 8990)]