76431640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1292

約数の個数: 64

約数和(自身を含む): 180876960

約数和(自身を除く): 104445320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1201, 1480, 1591, 1720, 2402, 3182, 4804, 6005, 6364, 7955, 9608, 12010, 12728, 15910, 24020, 31820, 44437, 48040, 51643, 63640, 88874, 103286, 177748, 206572, 222185, 258215, 355496, 413144, 444370, 516430, 888740, 1032860, 1777480, 1910791, 2065720, 3821582, 7643164, 9553955, 15286328, 19107910, 38215820, 76431640]

約数ペア:

[(1, 76431640), (2, 38215820), (4, 19107910), (5, 15286328), (8, 9553955), (10, 7643164), (20, 3821582), (37, 2065720), (40, 1910791), (43, 1777480), (74, 1032860), (86, 888740), (148, 516430), (172, 444370), (185, 413144), (215, 355496), (296, 258215), (344, 222185), (370, 206572), (430, 177748), (740, 103286), (860, 88874), (1201, 63640), (1480, 51643), (1591, 48040), (1720, 44437), (2402, 31820), (3182, 24020), (4804, 15910), (6005, 12728), (6364, 12010), (7955, 9608)]