469656080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 1118742384

約数和(自身を除く): 649086304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 157, 244, 305, 314, 488, 610, 613, 628, 785, 976, 1220, 1226, 1256, 1570, 2440, 2452, 2512, 3065, 3140, 4880, 4904, 6130, 6280, 9577, 9808, 12260, 12560, 19154, 24520, 37393, 38308, 47885, 49040, 74786, 76616, 95770, 96241, 149572, 153232, 186965, 191540, 192482, 299144, 373930, 383080, 384964, 481205, 598288, 747860, 766160, 769928, 962410, 1495720, 1539856, 1924820, 2991440, 3849640, 5870701, 7699280, 11741402, 23482804, 29353505, 46965608, 58707010, 93931216, 117414020, 234828040, 469656080]

約数ペア:

[(1, 469656080), (2, 234828040), (4, 117414020), (5, 93931216), (8, 58707010), (10, 46965608), (16, 29353505), (20, 23482804), (40, 11741402), (61, 7699280), (80, 5870701), (122, 3849640), (157, 2991440), (244, 1924820), (305, 1539856), (314, 1495720), (488, 962410), (610, 769928), (613, 766160), (628, 747860), (785, 598288), (976, 481205), (1220, 384964), (1226, 383080), (1256, 373930), (1570, 299144), (2440, 192482), (2452, 191540), (2512, 186965), (3065, 153232), (3140, 149572), (4880, 96241), (4904, 95770), (6130, 76616), (6280, 74786), (9577, 49040), (9808, 47885), (12260, 38308), (12560, 37393), (19154, 24520)]