27790140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 89800704

約数和(自身を除く): 62010564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 127, 140, 210, 254, 381, 420, 508, 521, 635, 762, 889, 1042, 1270, 1524, 1563, 1778, 1905, 2084, 2540, 2605, 2667, 3126, 3556, 3647, 3810, 4445, 5210, 5334, 6252, 7294, 7620, 7815, 8890, 10420, 10668, 10941, 13335, 14588, 15630, 17780, 18235, 21882, 26670, 31260, 36470, 43764, 53340, 54705, 66167, 72940, 109410, 132334, 198501, 218820, 264668, 330835, 397002, 463169, 661670, 794004, 926338, 992505, 1323340, 1389507, 1852676, 1985010, 2315845, 2779014, 3970020, 4631690, 5558028, 6947535, 9263380, 13895070, 27790140]

約数ペア:

[(1, 27790140), (2, 13895070), (3, 9263380), (4, 6947535), (5, 5558028), (6, 4631690), (7, 3970020), (10, 2779014), (12, 2315845), (14, 1985010), (15, 1852676), (20, 1389507), (21, 1323340), (28, 992505), (30, 926338), (35, 794004), (42, 661670), (60, 463169), (70, 397002), (84, 330835), (105, 264668), (127, 218820), (140, 198501), (210, 132334), (254, 109410), (381, 72940), (420, 66167), (508, 54705), (521, 53340), (635, 43764), (762, 36470), (889, 31260), (1042, 26670), (1270, 21882), (1524, 18235), (1563, 17780), (1778, 15630), (1905, 14588), (2084, 13335), (2540, 10941), (2605, 10668), (2667, 10420), (3126, 8890), (3556, 7815), (3647, 7620), (3810, 7294), (4445, 6252), (5210, 5334)]