28255260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1435

約数の個数: 96

約数和(自身を含む): 89155584

約数和(自身を除く): 60900324

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 1023, 1364, 1381, 1705, 1860, 2046, 2762, 3410, 4092, 4143, 5115, 5524, 6820, 6905, 8286, 10230, 13810, 15191, 16572, 20460, 20715, 27620, 30382, 41430, 42811, 45573, 60764, 75955, 82860, 85622, 91146, 128433, 151910, 171244, 182292, 214055, 227865, 256866, 303820, 428110, 455730, 470921, 513732, 642165, 856220, 911460, 941842, 1284330, 1412763, 1883684, 2354605, 2568660, 2825526, 4709210, 5651052, 7063815, 9418420, 14127630, 28255260]

約数ペア:

[(1, 28255260), (2, 14127630), (3, 9418420), (4, 7063815), (5, 5651052), (6, 4709210), (10, 2825526), (11, 2568660), (12, 2354605), (15, 1883684), (20, 1412763), (22, 1284330), (30, 941842), (31, 911460), (33, 856220), (44, 642165), (55, 513732), (60, 470921), (62, 455730), (66, 428110), (93, 303820), (110, 256866), (124, 227865), (132, 214055), (155, 182292), (165, 171244), (186, 151910), (220, 128433), (310, 91146), (330, 85622), (341, 82860), (372, 75955), (465, 60764), (620, 45573), (660, 42811), (682, 41430), (930, 30382), (1023, 27620), (1364, 20715), (1381, 20460), (1705, 16572), (1860, 15191), (2046, 13810), (2762, 10230), (3410, 8286), (4092, 6905), (4143, 6820), (5115, 5524)]