172423980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22277}}^1$

素因数の和:22335

約数の個数: 72

約数和(自身を含む): 535206672

約数和(自身を除く): 362782692

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, 7740, 22277, 44554, 66831, 89108, 111385, 133662, 200493, 222770, 267324, 334155, 400986, 445540, 668310, 801972, 957911, 1002465, 1336620, 1915822, 2004930, 2873733, 3831644, 4009860, 4789555, 5747466, 8621199, 9579110, 11494932, 14368665, 17242398, 19158220, 28737330, 34484796, 43105995, 57474660, 86211990, 172423980]

約数ペア:

[(1, 172423980), (2, 86211990), (3, 57474660), (4, 43105995), (5, 34484796), (6, 28737330), (9, 19158220), (10, 17242398), (12, 14368665), (15, 11494932), (18, 9579110), (20, 8621199), (30, 5747466), (36, 4789555), (43, 4009860), (45, 3831644), (60, 2873733), (86, 2004930), (90, 1915822), (129, 1336620), (172, 1002465), (180, 957911), (215, 801972), (258, 668310), (387, 445540), (430, 400986), (516, 334155), (645, 267324), (774, 222770), (860, 200493), (1290, 133662), (1548, 111385), (1935, 89108), (2580, 66831), (3870, 44554), (7740, 22277)]