129783680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:872

約数の個数: 128

約数和(自身を含む): 352144800

約数和(自身を除く): 222361120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 821, 832, 988, 1040, 1216, 1235, 1520, 1642, 1664, 1976, 2080, 2432, 2470, 3040, 3284, 3952, 4105, 4160, 4940, 6080, 6568, 7904, 8210, 8320, 9880, 10673, 12160, 13136, 15599, 15808, 16420, 19760, 21346, 26272, 31198, 31616, 32840, 39520, 42692, 52544, 53365, 62396, 65680, 77995, 79040, 85384, 105088, 106730, 124792, 131360, 155990, 158080, 170768, 202787, 213460, 249584, 262720, 311980, 341536, 405574, 426920, 499168, 525440, 623960, 683072, 811148, 853840, 998336, 1013935, 1247920, 1366144, 1622296, 1707680, 1996672, 2027870, 2495840, 3244592, 3415360, 4055740, 4991680, 6489184, 6830720, 8111480, 9983360, 12978368, 16222960, 25956736, 32445920, 64891840, 129783680]

約数ペア:

[(1, 129783680), (2, 64891840), (4, 32445920), (5, 25956736), (8, 16222960), (10, 12978368), (13, 9983360), (16, 8111480), (19, 6830720), (20, 6489184), (26, 4991680), (32, 4055740), (38, 3415360), (40, 3244592), (52, 2495840), (64, 2027870), (65, 1996672), (76, 1707680), (80, 1622296), (95, 1366144), (104, 1247920), (128, 1013935), (130, 998336), (152, 853840), (160, 811148), (190, 683072), (208, 623960), (247, 525440), (260, 499168), (304, 426920), (320, 405574), (380, 341536), (416, 311980), (494, 262720), (520, 249584), (608, 213460), (640, 202787), (760, 170768), (821, 158080), (832, 155990), (988, 131360), (1040, 124792), (1216, 106730), (1235, 105088), (1520, 85384), (1642, 79040), (1664, 77995), (1976, 65680), (2080, 62396), (2432, 53365), (2470, 52544), (3040, 42692), (3284, 39520), (3952, 32840), (4105, 31616), (4160, 31198), (4940, 26272), (6080, 21346), (6568, 19760), (7904, 16420), (8210, 15808), (8320, 15599), (9880, 13136), (10673, 12160)]