31491540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3301}}^1$

素因数の和:3369

約数の個数: 72

約数和(自身を含む): 97356168

約数和(自身を除く): 65864628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 3301, 4770, 6602, 9540, 9903, 13204, 16505, 19806, 29709, 33010, 39612, 49515, 59418, 66020, 99030, 118836, 148545, 174953, 198060, 297090, 349906, 524859, 594180, 699812, 874765, 1049718, 1574577, 1749530, 2099436, 2624295, 3149154, 3499060, 5248590, 6298308, 7872885, 10497180, 15745770, 31491540]

約数ペア:

[(1, 31491540), (2, 15745770), (3, 10497180), (4, 7872885), (5, 6298308), (6, 5248590), (9, 3499060), (10, 3149154), (12, 2624295), (15, 2099436), (18, 1749530), (20, 1574577), (30, 1049718), (36, 874765), (45, 699812), (53, 594180), (60, 524859), (90, 349906), (106, 297090), (159, 198060), (180, 174953), (212, 148545), (265, 118836), (318, 99030), (477, 66020), (530, 59418), (636, 49515), (795, 39612), (954, 33010), (1060, 29709), (1590, 19806), (1908, 16505), (2385, 13204), (3180, 9903), (3301, 9540), (4770, 6602)]