77884720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 190836000

約数和(自身を除く): 112951280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 59, 80, 116, 118, 145, 232, 236, 290, 295, 464, 472, 569, 580, 590, 944, 1138, 1160, 1180, 1711, 2276, 2320, 2360, 2845, 3422, 4552, 4720, 5690, 6844, 8555, 9104, 11380, 13688, 16501, 17110, 22760, 27376, 33002, 33571, 34220, 45520, 66004, 67142, 68440, 82505, 132008, 134284, 136880, 165010, 167855, 264016, 268568, 330020, 335710, 537136, 660040, 671420, 973559, 1320080, 1342840, 1947118, 2685680, 3894236, 4867795, 7788472, 9735590, 15576944, 19471180, 38942360, 77884720]

約数ペア:

[(1, 77884720), (2, 38942360), (4, 19471180), (5, 15576944), (8, 9735590), (10, 7788472), (16, 4867795), (20, 3894236), (29, 2685680), (40, 1947118), (58, 1342840), (59, 1320080), (80, 973559), (116, 671420), (118, 660040), (145, 537136), (232, 335710), (236, 330020), (290, 268568), (295, 264016), (464, 167855), (472, 165010), (569, 136880), (580, 134284), (590, 132008), (944, 82505), (1138, 68440), (1160, 67142), (1180, 66004), (1711, 45520), (2276, 34220), (2320, 33571), (2360, 33002), (2845, 27376), (3422, 22760), (4552, 17110), (4720, 16501), (5690, 13688), (6844, 11380), (8555, 9104)]