1989090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 5443200

約数和(自身を除く): 3454110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 90, 106, 135, 139, 159, 265, 270, 278, 318, 417, 477, 530, 695, 795, 834, 954, 1251, 1390, 1431, 1590, 2085, 2385, 2502, 2862, 3753, 4170, 4770, 6255, 7155, 7367, 7506, 12510, 14310, 14734, 18765, 22101, 36835, 37530, 44202, 66303, 73670, 110505, 132606, 198909, 221010, 331515, 397818, 663030, 994545, 1989090]

約数ペア:

[(1, 1989090), (2, 994545), (3, 663030), (5, 397818), (6, 331515), (9, 221010), (10, 198909), (15, 132606), (18, 110505), (27, 73670), (30, 66303), (45, 44202), (53, 37530), (54, 36835), (90, 22101), (106, 18765), (135, 14734), (139, 14310), (159, 12510), (265, 7506), (270, 7367), (278, 7155), (318, 6255), (417, 4770), (477, 4170), (530, 3753), (695, 2862), (795, 2502), (834, 2385), (954, 2085), (1251, 1590), (1390, 1431)]