1720512207140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{266333159}}^1$

素因数の和:266333204

約数の個数: 48

約数和(自身を含む): 4026957379200

約数和(自身を除く): 2306445172060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 266333159, 532666318, 1065332636, 1331665795, 2663331590, 4527663703, 5060330021, 5326663180, 9055327406, 10120660042, 18110654812, 20241320084, 22638318515, 25301650105, 45276637030, 50603300210, 86025610357, 90553274060, 101206600420, 172051220714, 344102441428, 430128051785, 860256103570, 1720512207140]

約数ペア:

[(1, 1720512207140), (2, 860256103570), (4, 430128051785), (5, 344102441428), (10, 172051220714), (17, 101206600420), (19, 90553274060), (20, 86025610357), (34, 50603300210), (38, 45276637030), (68, 25301650105), (76, 22638318515), (85, 20241320084), (95, 18110654812), (170, 10120660042), (190, 9055327406), (323, 5326663180), (340, 5060330021), (380, 4527663703), (646, 2663331590), (1292, 1331665795), (1615, 1065332636), (3230, 532666318), (6460, 266333159)]