1338781600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1181}}^1$

素因数の和:1323

約数の個数: 144

約数和(自身を含む): 3555006840

約数和(自身を除く): 2216225240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 109, 130, 160, 200, 208, 218, 260, 325, 400, 416, 436, 520, 545, 650, 800, 872, 1040, 1090, 1181, 1300, 1417, 1744, 2080, 2180, 2362, 2600, 2725, 2834, 3488, 4360, 4724, 5200, 5450, 5668, 5905, 7085, 8720, 9448, 10400, 10900, 11336, 11810, 14170, 15353, 17440, 18896, 21800, 22672, 23620, 28340, 29525, 30706, 35425, 37792, 43600, 45344, 47240, 56680, 59050, 61412, 70850, 76765, 87200, 94480, 113360, 118100, 122824, 128729, 141700, 153530, 188960, 226720, 236200, 245648, 257458, 283400, 307060, 383825, 472400, 491296, 514916, 566800, 614120, 643645, 767650, 944800, 1029832, 1133600, 1228240, 1287290, 1535300, 1673477, 2059664, 2456480, 2574580, 3070600, 3218225, 3346954, 4119328, 5149160, 6141200, 6436450, 6693908, 8367385, 10298320, 12282400, 12872900, 13387816, 16734770, 20596640, 25745800, 26775632, 33469540, 41836925, 51491600, 53551264, 66939080, 83673850, 102983200, 133878160, 167347700, 267756320, 334695400, 669390800, 1338781600]

約数ペア:

[(1, 1338781600), (2, 669390800), (4, 334695400), (5, 267756320), (8, 167347700), (10, 133878160), (13, 102983200), (16, 83673850), (20, 66939080), (25, 53551264), (26, 51491600), (32, 41836925), (40, 33469540), (50, 26775632), (52, 25745800), (65, 20596640), (80, 16734770), (100, 13387816), (104, 12872900), (109, 12282400), (130, 10298320), (160, 8367385), (200, 6693908), (208, 6436450), (218, 6141200), (260, 5149160), (325, 4119328), (400, 3346954), (416, 3218225), (436, 3070600), (520, 2574580), (545, 2456480), (650, 2059664), (800, 1673477), (872, 1535300), (1040, 1287290), (1090, 1228240), (1181, 1133600), (1300, 1029832), (1417, 944800), (1744, 767650), (2080, 643645), (2180, 614120), (2362, 566800), (2600, 514916), (2725, 491296), (2834, 472400), (3488, 383825), (4360, 307060), (4724, 283400), (5200, 257458), (5450, 245648), (5668, 236200), (5905, 226720), (7085, 188960), (8720, 153530), (9448, 141700), (10400, 128729), (10900, 122824), (11336, 118100), (11810, 113360), (14170, 94480), (15353, 87200), (17440, 76765), (18896, 70850), (21800, 61412), (22672, 59050), (23620, 56680), (28340, 47240), (29525, 45344), (30706, 43600), (35425, 37792)]