256102308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:303

約数の個数: 216

約数和(自身を含む): 838883136

約数和(自身を除く): 582780828

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 37, 42, 44, 63, 66, 74, 77, 84, 99, 111, 121, 126, 132, 148, 154, 198, 222, 227, 231, 242, 252, 259, 308, 333, 363, 396, 407, 444, 454, 462, 484, 518, 666, 681, 693, 726, 777, 814, 847, 908, 924, 1036, 1089, 1221, 1332, 1362, 1386, 1452, 1554, 1589, 1628, 1694, 2043, 2178, 2331, 2442, 2497, 2541, 2724, 2772, 2849, 3108, 3178, 3388, 3663, 4086, 4356, 4477, 4662, 4767, 4884, 4994, 5082, 5698, 6356, 7326, 7491, 7623, 8172, 8399, 8547, 8954, 9324, 9534, 9988, 10164, 11396, 13431, 14301, 14652, 14982, 15246, 16798, 17094, 17479, 17908, 19068, 22473, 25197, 25641, 26862, 27467, 28602, 29964, 30492, 31339, 33596, 34188, 34958, 40293, 44946, 50394, 51282, 52437, 53724, 54934, 57204, 58793, 62678, 69916, 75591, 80586, 82401, 89892, 92389, 94017, 100788, 102564, 104874, 109868, 117586, 125356, 151182, 157311, 161172, 164802, 176379, 184778, 188034, 192269, 209748, 235172, 247203, 277167, 282051, 302364, 314622, 329604, 352758, 369556, 376068, 384538, 494406, 529137, 554334, 564102, 576807, 629244, 646723, 705516, 769076, 831501, 988812, 1016279, 1058274, 1108668, 1128204, 1153614, 1293446, 1663002, 1730421, 1940169, 2032558, 2116548, 2307228, 2586892, 3048837, 3326004, 3460842, 3880338, 4065116, 5820507, 6097674, 6921684, 7113953, 7760676, 9146511, 11641014, 12195348, 14227906, 18293022, 21341859, 23282028, 28455812, 36586044, 42683718, 64025577, 85367436, 128051154, 256102308]

約数ペア:

[(1, 256102308), (2, 128051154), (3, 85367436), (4, 64025577), (6, 42683718), (7, 36586044), (9, 28455812), (11, 23282028), (12, 21341859), (14, 18293022), (18, 14227906), (21, 12195348), (22, 11641014), (28, 9146511), (33, 7760676), (36, 7113953), (37, 6921684), (42, 6097674), (44, 5820507), (63, 4065116), (66, 3880338), (74, 3460842), (77, 3326004), (84, 3048837), (99, 2586892), (111, 2307228), (121, 2116548), (126, 2032558), (132, 1940169), (148, 1730421), (154, 1663002), (198, 1293446), (222, 1153614), (227, 1128204), (231, 1108668), (242, 1058274), (252, 1016279), (259, 988812), (308, 831501), (333, 769076), (363, 705516), (396, 646723), (407, 629244), (444, 576807), (454, 564102), (462, 554334), (484, 529137), (518, 494406), (666, 384538), (681, 376068), (693, 369556), (726, 352758), (777, 329604), (814, 314622), (847, 302364), (908, 282051), (924, 277167), (1036, 247203), (1089, 235172), (1221, 209748), (1332, 192269), (1362, 188034), (1386, 184778), (1452, 176379), (1554, 164802), (1589, 161172), (1628, 157311), (1694, 151182), (2043, 125356), (2178, 117586), (2331, 109868), (2442, 104874), (2497, 102564), (2541, 100788), (2724, 94017), (2772, 92389), (2849, 89892), (3108, 82401), (3178, 80586), (3388, 75591), (3663, 69916), (4086, 62678), (4356, 58793), (4477, 57204), (4662, 54934), (4767, 53724), (4884, 52437), (4994, 51282), (5082, 50394), (5698, 44946), (6356, 40293), (7326, 34958), (7491, 34188), (7623, 33596), (8172, 31339), (8399, 30492), (8547, 29964), (8954, 28602), (9324, 27467), (9534, 26862), (9988, 25641), (10164, 25197), (11396, 22473), (13431, 19068), (14301, 17908), (14652, 17479), (14982, 17094), (15246, 16798)]