31306470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80273}}^1$

素因数の和:80296

約数の個数: 32

約数和(自身を含む): 80916192

約数和(自身を除く): 49609722

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80273, 160546, 240819, 401365, 481638, 802730, 1043549, 1204095, 2087098, 2408190, 3130647, 5217745, 6261294, 10435490, 15653235, 31306470]

約数ペア:

[(1, 31306470), (2, 15653235), (3, 10435490), (5, 6261294), (6, 5217745), (10, 3130647), (13, 2408190), (15, 2087098), (26, 1204095), (30, 1043549), (39, 802730), (65, 481638), (78, 401365), (130, 240819), (195, 160546), (390, 80273)]