312877740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 192

約数和(自身を含む): 1067673600

約数和(自身を除く): 754795860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 343, 345, 420, 460, 483, 490, 588, 644, 661, 686, 690, 735, 805, 966, 980, 1029, 1127, 1322, 1372, 1380, 1470, 1610, 1715, 1932, 1983, 2058, 2254, 2415, 2644, 2940, 3220, 3305, 3381, 3430, 3966, 4116, 4508, 4627, 4830, 5145, 5635, 6610, 6762, 6860, 7889, 7932, 9254, 9660, 9915, 10290, 11270, 13220, 13524, 13881, 15203, 15778, 16905, 18508, 19830, 20580, 22540, 23135, 23667, 27762, 30406, 31556, 32389, 33810, 39445, 39660, 45609, 46270, 47334, 55524, 60812, 64778, 67620, 69405, 76015, 78890, 91218, 92540, 94668, 97167, 106421, 118335, 129556, 138810, 152030, 157780, 161945, 182436, 194334, 212842, 226723, 228045, 236670, 277620, 304060, 319263, 323890, 388668, 425684, 453446, 456090, 473340, 485835, 532105, 638526, 647780, 680169, 744947, 906892, 912180, 971670, 1064210, 1133615, 1277052, 1360338, 1489894, 1596315, 1943340, 2128420, 2234841, 2267230, 2720676, 2979788, 3192630, 3400845, 3724735, 4469682, 4534460, 5214629, 6385260, 6801690, 7449470, 8939364, 10429258, 11174205, 13603380, 14898940, 15643887, 20858516, 22348410, 26073145, 31287774, 44696820, 52146290, 62575548, 78219435, 104292580, 156438870, 312877740]

約数ペア:

[(1, 312877740), (2, 156438870), (3, 104292580), (4, 78219435), (5, 62575548), (6, 52146290), (7, 44696820), (10, 31287774), (12, 26073145), (14, 22348410), (15, 20858516), (20, 15643887), (21, 14898940), (23, 13603380), (28, 11174205), (30, 10429258), (35, 8939364), (42, 7449470), (46, 6801690), (49, 6385260), (60, 5214629), (69, 4534460), (70, 4469682), (84, 3724735), (92, 3400845), (98, 3192630), (105, 2979788), (115, 2720676), (138, 2267230), (140, 2234841), (147, 2128420), (161, 1943340), (196, 1596315), (210, 1489894), (230, 1360338), (245, 1277052), (276, 1133615), (294, 1064210), (322, 971670), (343, 912180), (345, 906892), (420, 744947), (460, 680169), (483, 647780), (490, 638526), (588, 532105), (644, 485835), (661, 473340), (686, 456090), (690, 453446), (735, 425684), (805, 388668), (966, 323890), (980, 319263), (1029, 304060), (1127, 277620), (1322, 236670), (1372, 228045), (1380, 226723), (1470, 212842), (1610, 194334), (1715, 182436), (1932, 161945), (1983, 157780), (2058, 152030), (2254, 138810), (2415, 129556), (2644, 118335), (2940, 106421), (3220, 97167), (3305, 94668), (3381, 92540), (3430, 91218), (3966, 78890), (4116, 76015), (4508, 69405), (4627, 67620), (4830, 64778), (5145, 60812), (5635, 55524), (6610, 47334), (6762, 46270), (6860, 45609), (7889, 39660), (7932, 39445), (9254, 33810), (9660, 32389), (9915, 31556), (10290, 30406), (11270, 27762), (13220, 23667), (13524, 23135), (13881, 22540), (15203, 20580), (15778, 19830), (16905, 18508)]