28161810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2819}}^1$

素因数の和:2872

約数の個数: 64

約数和(自身を含む): 77155200

約数和(自身を除く): 48993390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 2819, 3330, 4995, 5638, 8457, 9990, 14095, 16914, 25371, 28190, 42285, 50742, 76113, 84570, 104303, 126855, 152226, 208606, 253710, 312909, 380565, 521515, 625818, 761130, 938727, 1043030, 1564545, 1877454, 2816181, 3129090, 4693635, 5632362, 9387270, 14080905, 28161810]

約数ペア:

[(1, 28161810), (2, 14080905), (3, 9387270), (5, 5632362), (6, 4693635), (9, 3129090), (10, 2816181), (15, 1877454), (18, 1564545), (27, 1043030), (30, 938727), (37, 761130), (45, 625818), (54, 521515), (74, 380565), (90, 312909), (111, 253710), (135, 208606), (185, 152226), (222, 126855), (270, 104303), (333, 84570), (370, 76113), (555, 50742), (666, 42285), (999, 28190), (1110, 25371), (1665, 16914), (1998, 14095), (2819, 9990), (3330, 8457), (4995, 5638)]