159728478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 420940800

約数和(自身を除く): 261212322

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 89, 91, 114, 133, 173, 178, 182, 247, 266, 267, 273, 346, 399, 494, 519, 534, 546, 623, 741, 798, 1038, 1157, 1211, 1246, 1482, 1691, 1729, 1869, 2249, 2314, 2422, 3287, 3382, 3458, 3471, 3633, 3738, 4498, 5073, 5187, 6574, 6747, 6942, 7266, 8099, 9861, 10146, 10374, 11837, 13494, 15397, 15743, 16198, 19722, 21983, 23009, 23674, 24297, 30794, 31486, 35511, 42731, 43966, 46018, 46191, 47229, 48594, 65949, 69027, 71022, 85462, 92382, 94458, 107779, 128193, 131898, 138054, 153881, 200161, 215558, 256386, 292543, 299117, 307762, 323337, 400322, 461643, 585086, 598234, 600483, 646674, 877629, 897351, 923286, 1200966, 1401127, 1755258, 1794702, 2047801, 2802254, 3803059, 4095602, 4203381, 6143403, 7606118, 8406762, 11409177, 12286806, 22818354, 26621413, 53242826, 79864239, 159728478]

約数ペア:

[(1, 159728478), (2, 79864239), (3, 53242826), (6, 26621413), (7, 22818354), (13, 12286806), (14, 11409177), (19, 8406762), (21, 7606118), (26, 6143403), (38, 4203381), (39, 4095602), (42, 3803059), (57, 2802254), (78, 2047801), (89, 1794702), (91, 1755258), (114, 1401127), (133, 1200966), (173, 923286), (178, 897351), (182, 877629), (247, 646674), (266, 600483), (267, 598234), (273, 585086), (346, 461643), (399, 400322), (494, 323337), (519, 307762), (534, 299117), (546, 292543), (623, 256386), (741, 215558), (798, 200161), (1038, 153881), (1157, 138054), (1211, 131898), (1246, 128193), (1482, 107779), (1691, 94458), (1729, 92382), (1869, 85462), (2249, 71022), (2314, 69027), (2422, 65949), (3287, 48594), (3382, 47229), (3458, 46191), (3471, 46018), (3633, 43966), (3738, 42731), (4498, 35511), (5073, 31486), (5187, 30794), (6574, 24297), (6747, 23674), (6942, 23009), (7266, 21983), (8099, 19722), (9861, 16198), (10146, 15743), (10374, 15397), (11837, 13494)]