31180890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4703}}^1$

素因数の和:4743

約数の個数: 64

約数和(自身を含む): 85349376

約数和(自身を除く): 54168486

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 4703, 6630, 9406, 14109, 23515, 28218, 47030, 61139, 70545, 79951, 122278, 141090, 159902, 183417, 239853, 305695, 366834, 399755, 479706, 611390, 799510, 917085, 1039363, 1199265, 1834170, 2078726, 2398530, 3118089, 5196815, 6236178, 10393630, 15590445, 31180890]

約数ペア:

[(1, 31180890), (2, 15590445), (3, 10393630), (5, 6236178), (6, 5196815), (10, 3118089), (13, 2398530), (15, 2078726), (17, 1834170), (26, 1199265), (30, 1039363), (34, 917085), (39, 799510), (51, 611390), (65, 479706), (78, 399755), (85, 366834), (102, 305695), (130, 239853), (170, 183417), (195, 159902), (221, 141090), (255, 122278), (390, 79951), (442, 70545), (510, 61139), (663, 47030), (1105, 28218), (1326, 23515), (2210, 14109), (3315, 9406), (4703, 6630)]