56427420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1172

約数の個数: 144

約数和(自身を含む): 194775840

約数和(自身を除く): 138348420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1129, 1190, 1428, 1470, 1666, 1785, 2258, 2380, 2499, 2940, 3332, 3387, 3570, 4165, 4516, 4998, 5645, 6774, 7140, 7903, 8330, 9996, 11290, 12495, 13548, 15806, 16660, 16935, 19193, 22580, 23709, 24990, 31612, 33870, 38386, 39515, 47418, 49980, 55321, 57579, 67740, 76772, 79030, 94836, 95965, 110642, 115158, 118545, 134351, 158060, 165963, 191930, 221284, 230316, 237090, 268702, 276605, 287895, 331926, 383860, 403053, 474180, 537404, 553210, 575790, 663852, 671755, 806106, 829815, 940457, 1106420, 1151580, 1343510, 1612212, 1659630, 1880914, 2015265, 2687020, 2821371, 3319260, 3761828, 4030530, 4702285, 5642742, 8061060, 9404570, 11285484, 14106855, 18809140, 28213710, 56427420]

約数ペア:

[(1, 56427420), (2, 28213710), (3, 18809140), (4, 14106855), (5, 11285484), (6, 9404570), (7, 8061060), (10, 5642742), (12, 4702285), (14, 4030530), (15, 3761828), (17, 3319260), (20, 2821371), (21, 2687020), (28, 2015265), (30, 1880914), (34, 1659630), (35, 1612212), (42, 1343510), (49, 1151580), (51, 1106420), (60, 940457), (68, 829815), (70, 806106), (84, 671755), (85, 663852), (98, 575790), (102, 553210), (105, 537404), (119, 474180), (140, 403053), (147, 383860), (170, 331926), (196, 287895), (204, 276605), (210, 268702), (238, 237090), (245, 230316), (255, 221284), (294, 191930), (340, 165963), (357, 158060), (420, 134351), (476, 118545), (490, 115158), (510, 110642), (588, 95965), (595, 94836), (714, 79030), (735, 76772), (833, 67740), (980, 57579), (1020, 55321), (1129, 49980), (1190, 47418), (1428, 39515), (1470, 38386), (1666, 33870), (1785, 31612), (2258, 24990), (2380, 23709), (2499, 22580), (2940, 19193), (3332, 16935), (3387, 16660), (3570, 15806), (4165, 13548), (4516, 12495), (4998, 11290), (5645, 9996), (6774, 8330), (7140, 7903)]