42391980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5477}}^1$

素因数の和:5535

約数の個数: 72

約数和(自身を含む): 131603472

約数和(自身を除く): 89211492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 5477, 7740, 10954, 16431, 21908, 27385, 32862, 49293, 54770, 65724, 82155, 98586, 109540, 164310, 197172, 235511, 246465, 328620, 471022, 492930, 706533, 942044, 985860, 1177555, 1413066, 2119599, 2355110, 2826132, 3532665, 4239198, 4710220, 7065330, 8478396, 10597995, 14130660, 21195990, 42391980]

約数ペア:

[(1, 42391980), (2, 21195990), (3, 14130660), (4, 10597995), (5, 8478396), (6, 7065330), (9, 4710220), (10, 4239198), (12, 3532665), (15, 2826132), (18, 2355110), (20, 2119599), (30, 1413066), (36, 1177555), (43, 985860), (45, 942044), (60, 706533), (86, 492930), (90, 471022), (129, 328620), (172, 246465), (180, 235511), (215, 197172), (258, 164310), (387, 109540), (430, 98586), (516, 82155), (645, 65724), (774, 54770), (860, 49293), (1290, 32862), (1548, 27385), (1935, 21908), (2580, 16431), (3870, 10954), (5477, 7740)]