68307200

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 108

約数和(自身を含む): 182298228

約数和(自身を除く): 113991028

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 800, 821, 832, 1040, 1280, 1300, 1600, 1642, 1664, 2080, 2600, 3200, 3284, 3328, 4105, 4160, 5200, 6400, 6568, 8210, 8320, 10400, 10673, 13136, 16420, 16640, 20525, 20800, 21346, 26272, 32840, 41050, 41600, 42692, 52544, 53365, 65680, 82100, 83200, 85384, 105088, 106730, 131360, 164200, 170768, 210176, 213460, 262720, 266825, 328400, 341536, 426920, 525440, 533650, 656800, 683072, 853840, 1050880, 1067300, 1313600, 1366144, 1707680, 2134600, 2627200, 2732288, 3415360, 4269200, 5254400, 6830720, 8538400, 13661440, 17076800, 34153600, 68307200]

約数ペア:

[(1, 68307200), (2, 34153600), (4, 17076800), (5, 13661440), (8, 8538400), (10, 6830720), (13, 5254400), (16, 4269200), (20, 3415360), (25, 2732288), (26, 2627200), (32, 2134600), (40, 1707680), (50, 1366144), (52, 1313600), (64, 1067300), (65, 1050880), (80, 853840), (100, 683072), (104, 656800), (128, 533650), (130, 525440), (160, 426920), (200, 341536), (208, 328400), (256, 266825), (260, 262720), (320, 213460), (325, 210176), (400, 170768), (416, 164200), (520, 131360), (640, 106730), (650, 105088), (800, 85384), (821, 83200), (832, 82100), (1040, 65680), (1280, 53365), (1300, 52544), (1600, 42692), (1642, 41600), (1664, 41050), (2080, 32840), (2600, 26272), (3200, 21346), (3284, 20800), (3328, 20525), (4105, 16640), (4160, 16420), (5200, 13136), (6400, 10673), (6568, 10400), (8210, 8320)]