667883840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5179}}^1$

素因数の和:5240

約数の個数: 112

約数和(自身を含む): 1768327680

約数和(自身を除く): 1100443840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 5179, 6448, 8060, 9920, 10358, 12896, 16120, 20716, 25792, 25895, 32240, 41432, 51790, 64480, 67327, 82864, 103580, 128960, 134654, 160549, 165728, 207160, 269308, 321098, 331456, 336635, 414320, 538616, 642196, 673270, 802745, 828640, 1077232, 1284392, 1346540, 1605490, 1657280, 2087137, 2154464, 2568784, 2693080, 3210980, 4174274, 4308928, 5137568, 5386160, 6421960, 8348548, 10275136, 10435685, 10772320, 12843920, 16697096, 20871370, 21544640, 25687840, 33394192, 41742740, 51375680, 66788384, 83485480, 133576768, 166970960, 333941920, 667883840]

約数ペア:

[(1, 667883840), (2, 333941920), (4, 166970960), (5, 133576768), (8, 83485480), (10, 66788384), (13, 51375680), (16, 41742740), (20, 33394192), (26, 25687840), (31, 21544640), (32, 20871370), (40, 16697096), (52, 12843920), (62, 10772320), (64, 10435685), (65, 10275136), (80, 8348548), (104, 6421960), (124, 5386160), (130, 5137568), (155, 4308928), (160, 4174274), (208, 3210980), (248, 2693080), (260, 2568784), (310, 2154464), (320, 2087137), (403, 1657280), (416, 1605490), (496, 1346540), (520, 1284392), (620, 1077232), (806, 828640), (832, 802745), (992, 673270), (1040, 642196), (1240, 538616), (1612, 414320), (1984, 336635), (2015, 331456), (2080, 321098), (2480, 269308), (3224, 207160), (4030, 165728), (4160, 160549), (4960, 134654), (5179, 128960), (6448, 103580), (8060, 82864), (9920, 67327), (10358, 64480), (12896, 51790), (16120, 41432), (20716, 32240), (25792, 25895)]