31915323520

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{1493}}^1$

素因数の和:1902

約数の個数: 128

約数和(自身を含む): 77242429440

約数和(自身を除く): 45327105920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 263, 320, 508, 526, 635, 640, 1016, 1052, 1270, 1315, 1493, 2032, 2104, 2540, 2630, 2986, 4064, 4208, 5080, 5260, 5972, 7465, 8128, 8416, 10160, 10520, 11944, 14930, 16256, 16832, 20320, 21040, 23888, 29860, 33401, 33664, 40640, 42080, 47776, 59720, 66802, 81280, 84160, 95552, 119440, 133604, 167005, 168320, 189611, 191104, 238880, 267208, 334010, 379222, 392659, 477760, 534416, 668020, 758444, 785318, 948055, 955520, 1068832, 1336040, 1516888, 1570636, 1896110, 1963295, 2137664, 2672080, 3033776, 3141272, 3792220, 3926590, 4275328, 5344160, 6067552, 6282544, 7584440, 7853180, 10688320, 12135104, 12565088, 15168880, 15706360, 21376640, 24270208, 25130176, 30337760, 31412720, 49867693, 50260352, 60675520, 62825440, 99735386, 121351040, 125650880, 199470772, 249338465, 251301760, 398941544, 498676930, 797883088, 997353860, 1595766176, 1994707720, 3191532352, 3989415440, 6383064704, 7978830880, 15957661760, 31915323520]

約数ペア:

[(1, 31915323520), (2, 15957661760), (4, 7978830880), (5, 6383064704), (8, 3989415440), (10, 3191532352), (16, 1994707720), (20, 1595766176), (32, 997353860), (40, 797883088), (64, 498676930), (80, 398941544), (127, 251301760), (128, 249338465), (160, 199470772), (254, 125650880), (263, 121351040), (320, 99735386), (508, 62825440), (526, 60675520), (635, 50260352), (640, 49867693), (1016, 31412720), (1052, 30337760), (1270, 25130176), (1315, 24270208), (1493, 21376640), (2032, 15706360), (2104, 15168880), (2540, 12565088), (2630, 12135104), (2986, 10688320), (4064, 7853180), (4208, 7584440), (5080, 6282544), (5260, 6067552), (5972, 5344160), (7465, 4275328), (8128, 3926590), (8416, 3792220), (10160, 3141272), (10520, 3033776), (11944, 2672080), (14930, 2137664), (16256, 1963295), (16832, 1896110), (20320, 1570636), (21040, 1516888), (23888, 1336040), (29860, 1068832), (33401, 955520), (33664, 948055), (40640, 785318), (42080, 758444), (47776, 668020), (59720, 534416), (66802, 477760), (81280, 392659), (84160, 379222), (95552, 334010), (119440, 267208), (133604, 238880), (167005, 191104), (168320, 189611)]