66740080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 170748000

約数和(自身を除く): 104007920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 509, 596, 745, 880, 1018, 1192, 1490, 1639, 2036, 2384, 2545, 2980, 3278, 4072, 5090, 5599, 5960, 6556, 8144, 8195, 10180, 11198, 11920, 13112, 16390, 20360, 22396, 26224, 27995, 32780, 40720, 44792, 55990, 65560, 75841, 89584, 111980, 131120, 151682, 223960, 303364, 379205, 447920, 606728, 758410, 834251, 1213456, 1516820, 1668502, 3033640, 3337004, 4171255, 6067280, 6674008, 8342510, 13348016, 16685020, 33370040, 66740080]

約数ペア:

[(1, 66740080), (2, 33370040), (4, 16685020), (5, 13348016), (8, 8342510), (10, 6674008), (11, 6067280), (16, 4171255), (20, 3337004), (22, 3033640), (40, 1668502), (44, 1516820), (55, 1213456), (80, 834251), (88, 758410), (110, 606728), (149, 447920), (176, 379205), (220, 303364), (298, 223960), (440, 151682), (509, 131120), (596, 111980), (745, 89584), (880, 75841), (1018, 65560), (1192, 55990), (1490, 44792), (1639, 40720), (2036, 32780), (2384, 27995), (2545, 26224), (2980, 22396), (3278, 20360), (4072, 16390), (5090, 13112), (5599, 11920), (5960, 11198), (6556, 10180), (8144, 8195)]