28851240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1987}}^1$

素因数の和:2023

約数の個数: 96

約数和(自身を含む): 95185440

約数和(自身を除く): 66334200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1452, 1815, 1987, 2420, 2904, 3630, 3974, 4840, 5961, 7260, 7948, 9935, 11922, 14520, 15896, 19870, 21857, 23844, 29805, 39740, 43714, 47688, 59610, 65571, 79480, 87428, 109285, 119220, 131142, 174856, 218570, 238440, 240427, 262284, 327855, 437140, 480854, 524568, 655710, 721281, 874280, 961708, 1202135, 1311420, 1442562, 1923416, 2404270, 2622840, 2885124, 3606405, 4808540, 5770248, 7212810, 9617080, 14425620, 28851240]

約数ペア:

[(1, 28851240), (2, 14425620), (3, 9617080), (4, 7212810), (5, 5770248), (6, 4808540), (8, 3606405), (10, 2885124), (11, 2622840), (12, 2404270), (15, 1923416), (20, 1442562), (22, 1311420), (24, 1202135), (30, 961708), (33, 874280), (40, 721281), (44, 655710), (55, 524568), (60, 480854), (66, 437140), (88, 327855), (110, 262284), (120, 240427), (121, 238440), (132, 218570), (165, 174856), (220, 131142), (242, 119220), (264, 109285), (330, 87428), (363, 79480), (440, 65571), (484, 59610), (605, 47688), (660, 43714), (726, 39740), (968, 29805), (1210, 23844), (1320, 21857), (1452, 19870), (1815, 15896), (1987, 14520), (2420, 11922), (2904, 9935), (3630, 7948), (3974, 7260), (4840, 5961)]