172681980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66931}}^1$

素因数の和:66986

約数の個数: 48

約数和(自身を含む): 494761344

約数和(自身を除く): 322079364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 66931, 133862, 200793, 267724, 334655, 401586, 669310, 803172, 1003965, 1338620, 2007930, 2878033, 4015860, 5756066, 8634099, 11512132, 14390165, 17268198, 28780330, 34536396, 43170495, 57560660, 86340990, 172681980]

約数ペア:

[(1, 172681980), (2, 86340990), (3, 57560660), (4, 43170495), (5, 34536396), (6, 28780330), (10, 17268198), (12, 14390165), (15, 11512132), (20, 8634099), (30, 5756066), (43, 4015860), (60, 2878033), (86, 2007930), (129, 1338620), (172, 1003965), (215, 803172), (258, 669310), (430, 401586), (516, 334655), (645, 267724), (860, 200793), (1290, 133862), (2580, 66931)]