28250280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:923

約数の個数: 96

約数和(自身を含む): 92874600

約数和(自身を除く): 64624320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 809, 873, 970, 1164, 1455, 1618, 1746, 1940, 2328, 2427, 2910, 3236, 3492, 3880, 4045, 4365, 4854, 5820, 6472, 6984, 7281, 8090, 8730, 9708, 11640, 12135, 14562, 16180, 17460, 19416, 24270, 29124, 32360, 34920, 36405, 48540, 58248, 72810, 78473, 97080, 145620, 156946, 235419, 291240, 313892, 392365, 470838, 627784, 706257, 784730, 941676, 1177095, 1412514, 1569460, 1883352, 2354190, 2825028, 3138920, 3531285, 4708380, 5650056, 7062570, 9416760, 14125140, 28250280]

約数ペア:

[(1, 28250280), (2, 14125140), (3, 9416760), (4, 7062570), (5, 5650056), (6, 4708380), (8, 3531285), (9, 3138920), (10, 2825028), (12, 2354190), (15, 1883352), (18, 1569460), (20, 1412514), (24, 1177095), (30, 941676), (36, 784730), (40, 706257), (45, 627784), (60, 470838), (72, 392365), (90, 313892), (97, 291240), (120, 235419), (180, 156946), (194, 145620), (291, 97080), (360, 78473), (388, 72810), (485, 58248), (582, 48540), (776, 36405), (809, 34920), (873, 32360), (970, 29124), (1164, 24270), (1455, 19416), (1618, 17460), (1746, 16180), (1940, 14562), (2328, 12135), (2427, 11640), (2910, 9708), (3236, 8730), (3492, 8090), (3880, 7281), (4045, 6984), (4365, 6472), (4854, 5820)]