20527876560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5431}}^1\times {\mathrm{15749}}^1$

素因数の和:21196

約数の個数: 80

約数和(自身を含む): 63652176000

約数和(自身を除く): 43124299440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5431, 10862, 15749, 16293, 21724, 27155, 31498, 32586, 43448, 47247, 54310, 62996, 65172, 78745, 81465, 86896, 94494, 108620, 125992, 130344, 157490, 162930, 188988, 217240, 236235, 251984, 260688, 314980, 325860, 377976, 434480, 472470, 629960, 651720, 755952, 944940, 1259920, 1303440, 1889880, 3779760, 85532819, 171065638, 256598457, 342131276, 427664095, 513196914, 684262552, 855328190, 1026393828, 1282992285, 1368525104, 1710656380, 2052787656, 2565984570, 3421312760, 4105575312, 5131969140, 6842625520, 10263938280, 20527876560]

約数ペア:

[(1, 20527876560), (2, 10263938280), (3, 6842625520), (4, 5131969140), (5, 4105575312), (6, 3421312760), (8, 2565984570), (10, 2052787656), (12, 1710656380), (15, 1368525104), (16, 1282992285), (20, 1026393828), (24, 855328190), (30, 684262552), (40, 513196914), (48, 427664095), (60, 342131276), (80, 256598457), (120, 171065638), (240, 85532819), (5431, 3779760), (10862, 1889880), (15749, 1303440), (16293, 1259920), (21724, 944940), (27155, 755952), (31498, 651720), (32586, 629960), (43448, 472470), (47247, 434480), (54310, 377976), (62996, 325860), (65172, 314980), (78745, 260688), (81465, 251984), (86896, 236235), (94494, 217240), (108620, 188988), (125992, 162930), (130344, 157490)]