320668216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 719953920

約数和(自身を除く): 399285704

約数列:

[1, 2, 4, 8, 11, 22, 31, 41, 44, 47, 61, 62, 82, 88, 94, 122, 124, 164, 188, 244, 248, 328, 341, 376, 451, 488, 517, 671, 682, 902, 1034, 1271, 1342, 1364, 1457, 1804, 1891, 1927, 2068, 2501, 2542, 2684, 2728, 2867, 2914, 3608, 3782, 3854, 4136, 5002, 5084, 5368, 5734, 5828, 7564, 7708, 10004, 10168, 11468, 11656, 13981, 15128, 15416, 16027, 20008, 20801, 21197, 22936, 27511, 27962, 31537, 32054, 41602, 42394, 55022, 55924, 59737, 63074, 64108, 77531, 83204, 84788, 88877, 110044, 111848, 117547, 119474, 126148, 128216, 155062, 166408, 169576, 177754, 220088, 235094, 238948, 252296, 310124, 355508, 470188, 477896, 620248, 657107, 711016, 852841, 940376, 977647, 1293017, 1314214, 1705682, 1955294, 2586034, 2628428, 3411364, 3643957, 3910588, 5172068, 5256856, 6822728, 7287914, 7821176, 10344136, 14575828, 29151656, 40083527, 80167054, 160334108, 320668216]

約数ペア:

[(1, 320668216), (2, 160334108), (4, 80167054), (8, 40083527), (11, 29151656), (22, 14575828), (31, 10344136), (41, 7821176), (44, 7287914), (47, 6822728), (61, 5256856), (62, 5172068), (82, 3910588), (88, 3643957), (94, 3411364), (122, 2628428), (124, 2586034), (164, 1955294), (188, 1705682), (244, 1314214), (248, 1293017), (328, 977647), (341, 940376), (376, 852841), (451, 711016), (488, 657107), (517, 620248), (671, 477896), (682, 470188), (902, 355508), (1034, 310124), (1271, 252296), (1342, 238948), (1364, 235094), (1457, 220088), (1804, 177754), (1891, 169576), (1927, 166408), (2068, 155062), (2501, 128216), (2542, 126148), (2684, 119474), (2728, 117547), (2867, 111848), (2914, 110044), (3608, 88877), (3782, 84788), (3854, 83204), (4136, 77531), (5002, 64108), (5084, 63074), (5368, 59737), (5734, 55924), (5828, 55022), (7564, 42394), (7708, 41602), (10004, 32054), (10168, 31537), (11468, 27962), (11656, 27511), (13981, 22936), (15128, 21197), (15416, 20801), (16027, 20008)]