78969520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1699}}^1$

素因数の和:1802

約数の個数: 80

約数和(自身を含む): 212486400

約数和(自身を除く): 133516880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 830, 1162, 1328, 1660, 1699, 2324, 2905, 3320, 3398, 4648, 5810, 6640, 6796, 8495, 9296, 11620, 11893, 13592, 16990, 23240, 23786, 27184, 33980, 46480, 47572, 59465, 67960, 95144, 118930, 135920, 141017, 190288, 237860, 282034, 475720, 564068, 705085, 951440, 987119, 1128136, 1410170, 1974238, 2256272, 2820340, 3948476, 4935595, 5640680, 7896952, 9871190, 11281360, 15793904, 19742380, 39484760, 78969520]

約数ペア:

[(1, 78969520), (2, 39484760), (4, 19742380), (5, 15793904), (7, 11281360), (8, 9871190), (10, 7896952), (14, 5640680), (16, 4935595), (20, 3948476), (28, 2820340), (35, 2256272), (40, 1974238), (56, 1410170), (70, 1128136), (80, 987119), (83, 951440), (112, 705085), (140, 564068), (166, 475720), (280, 282034), (332, 237860), (415, 190288), (560, 141017), (581, 135920), (664, 118930), (830, 95144), (1162, 67960), (1328, 59465), (1660, 47572), (1699, 46480), (2324, 33980), (2905, 27184), (3320, 23786), (3398, 23240), (4648, 16990), (5810, 13592), (6640, 11893), (6796, 11620), (8495, 9296)]