28639620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1487}}^1$

素因数の和:1609

約数の個数: 72

約数和(自身を含む): 87744384

約数和(自身を除く): 59104764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1487, 1605, 1926, 2140, 2974, 3210, 3852, 4461, 4815, 5948, 6420, 7435, 8922, 9630, 13383, 14870, 17844, 19260, 22305, 26766, 29740, 44610, 53532, 66915, 89220, 133830, 159109, 267660, 318218, 477327, 636436, 795545, 954654, 1431981, 1591090, 1909308, 2386635, 2863962, 3182180, 4773270, 5727924, 7159905, 9546540, 14319810, 28639620]

約数ペア:

[(1, 28639620), (2, 14319810), (3, 9546540), (4, 7159905), (5, 5727924), (6, 4773270), (9, 3182180), (10, 2863962), (12, 2386635), (15, 1909308), (18, 1591090), (20, 1431981), (30, 954654), (36, 795545), (45, 636436), (60, 477327), (90, 318218), (107, 267660), (180, 159109), (214, 133830), (321, 89220), (428, 66915), (535, 53532), (642, 44610), (963, 29740), (1070, 26766), (1284, 22305), (1487, 19260), (1605, 17844), (1926, 14870), (2140, 13383), (2974, 9630), (3210, 8922), (3852, 7435), (4461, 6420), (4815, 5948)]