443664880

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 1055244960

約数和(自身を除く): 611580080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 109, 166, 218, 332, 415, 436, 545, 613, 664, 830, 872, 1090, 1226, 1328, 1660, 1744, 2180, 2452, 3065, 3320, 4360, 4904, 6130, 6640, 8720, 9047, 9808, 12260, 18094, 24520, 36188, 45235, 49040, 50879, 66817, 72376, 90470, 101758, 133634, 144752, 180940, 203516, 254395, 267268, 334085, 361880, 407032, 508790, 534536, 668170, 723760, 814064, 1017580, 1069072, 1336340, 2035160, 2672680, 4070320, 5345360, 5545811, 11091622, 22183244, 27729055, 44366488, 55458110, 88732976, 110916220, 221832440, 443664880]

約数ペア:

[(1, 443664880), (2, 221832440), (4, 110916220), (5, 88732976), (8, 55458110), (10, 44366488), (16, 27729055), (20, 22183244), (40, 11091622), (80, 5545811), (83, 5345360), (109, 4070320), (166, 2672680), (218, 2035160), (332, 1336340), (415, 1069072), (436, 1017580), (545, 814064), (613, 723760), (664, 668170), (830, 534536), (872, 508790), (1090, 407032), (1226, 361880), (1328, 334085), (1660, 267268), (1744, 254395), (2180, 203516), (2452, 180940), (3065, 144752), (3320, 133634), (4360, 101758), (4904, 90470), (6130, 72376), (6640, 66817), (8720, 50879), (9047, 49040), (9808, 45235), (12260, 36188), (18094, 24520)]