1380329808

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 240

約数和(自身を含む): 4356864000

約数和(自身を除く): 2976534192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 33, 39, 44, 48, 52, 62, 66, 78, 88, 93, 104, 124, 132, 143, 156, 169, 176, 186, 208, 248, 264, 286, 312, 338, 341, 372, 403, 429, 496, 499, 507, 528, 572, 624, 676, 682, 744, 806, 858, 998, 1014, 1023, 1144, 1209, 1352, 1364, 1488, 1497, 1612, 1716, 1859, 1996, 2028, 2046, 2288, 2418, 2704, 2728, 2994, 3224, 3432, 3718, 3992, 4056, 4092, 4433, 4836, 5239, 5456, 5489, 5577, 5988, 6448, 6487, 6864, 7436, 7984, 8112, 8184, 8866, 9672, 10478, 10978, 11154, 11976, 12974, 13299, 14872, 15469, 15717, 16368, 16467, 17732, 19344, 19461, 20956, 21956, 22308, 23952, 25948, 26598, 29744, 30938, 31434, 32934, 35464, 38922, 41912, 43912, 44616, 46407, 51896, 53196, 57629, 61876, 62868, 65868, 70928, 71357, 77844, 83824, 84331, 87824, 89232, 92814, 103792, 106392, 115258, 123752, 125736, 131736, 142714, 155688, 168662, 170159, 172887, 185628, 201097, 212784, 214071, 230516, 247504, 251472, 252993, 263472, 285428, 311376, 337324, 340318, 345774, 371256, 402194, 428142, 461032, 505986, 510477, 570856, 603291, 674648, 680636, 691548, 742512, 804388, 856284, 922064, 927641, 1011972, 1020954, 1141712, 1206582, 1349296, 1361272, 1383096, 1608776, 1712568, 1855282, 2023944, 2041908, 2212067, 2413164, 2614261, 2722544, 2766192, 2782923, 3217552, 3425136, 3710564, 4047888, 4083816, 4424134, 4826328, 5228522, 5565846, 6636201, 7421128, 7842783, 8167632, 8848268, 9652656, 10457044, 11131692, 13272402, 14842256, 15685566, 17696536, 20914088, 22263384, 26544804, 28756871, 31371132, 35393072, 41828176, 44526768, 53089608, 57513742, 62742264, 86270613, 106179216, 115027484, 125484528, 172541226, 230054968, 345082452, 460109936, 690164904, 1380329808]

約数ペア:

[(1, 1380329808), (2, 690164904), (3, 460109936), (4, 345082452), (6, 230054968), (8, 172541226), (11, 125484528), (12, 115027484), (13, 106179216), (16, 86270613), (22, 62742264), (24, 57513742), (26, 53089608), (31, 44526768), (33, 41828176), (39, 35393072), (44, 31371132), (48, 28756871), (52, 26544804), (62, 22263384), (66, 20914088), (78, 17696536), (88, 15685566), (93, 14842256), (104, 13272402), (124, 11131692), (132, 10457044), (143, 9652656), (156, 8848268), (169, 8167632), (176, 7842783), (186, 7421128), (208, 6636201), (248, 5565846), (264, 5228522), (286, 4826328), (312, 4424134), (338, 4083816), (341, 4047888), (372, 3710564), (403, 3425136), (429, 3217552), (496, 2782923), (499, 2766192), (507, 2722544), (528, 2614261), (572, 2413164), (624, 2212067), (676, 2041908), (682, 2023944), (744, 1855282), (806, 1712568), (858, 1608776), (998, 1383096), (1014, 1361272), (1023, 1349296), (1144, 1206582), (1209, 1141712), (1352, 1020954), (1364, 1011972), (1488, 927641), (1497, 922064), (1612, 856284), (1716, 804388), (1859, 742512), (1996, 691548), (2028, 680636), (2046, 674648), (2288, 603291), (2418, 570856), (2704, 510477), (2728, 505986), (2994, 461032), (3224, 428142), (3432, 402194), (3718, 371256), (3992, 345774), (4056, 340318), (4092, 337324), (4433, 311376), (4836, 285428), (5239, 263472), (5456, 252993), (5489, 251472), (5577, 247504), (5988, 230516), (6448, 214071), (6487, 212784), (6864, 201097), (7436, 185628), (7984, 172887), (8112, 170159), (8184, 168662), (8866, 155688), (9672, 142714), (10478, 131736), (10978, 125736), (11154, 123752), (11976, 115258), (12974, 106392), (13299, 103792), (14872, 92814), (15469, 89232), (15717, 87824), (16368, 84331), (16467, 83824), (17732, 77844), (19344, 71357), (19461, 70928), (20956, 65868), (21956, 62868), (22308, 61876), (23952, 57629), (25948, 53196), (26598, 51896), (29744, 46407), (30938, 44616), (31434, 43912), (32934, 41912), (35464, 38922)]