1260440180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{55331}}^1$

素因数の和:55424

約数の個数: 48

約数和(自身を含む): 2844507456

約数和(自身を除く): 1584067276

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5695, 11390, 22780, 55331, 110662, 221324, 276655, 553310, 940627, 1106620, 1881254, 3707177, 3762508, 4703135, 7414354, 9406270, 14828708, 18535885, 18812540, 37071770, 63022009, 74143540, 126044018, 252088036, 315110045, 630220090, 1260440180]

約数ペア:

[(1, 1260440180), (2, 630220090), (4, 315110045), (5, 252088036), (10, 126044018), (17, 74143540), (20, 63022009), (34, 37071770), (67, 18812540), (68, 18535885), (85, 14828708), (134, 9406270), (170, 7414354), (268, 4703135), (335, 3762508), (340, 3707177), (670, 1881254), (1139, 1106620), (1340, 940627), (2278, 553310), (4556, 276655), (5695, 221324), (11390, 110662), (22780, 55331)]