65381880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 204482880

約数和(自身を除く): 139101000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 97, 120, 123, 137, 164, 194, 205, 246, 274, 291, 328, 388, 410, 411, 485, 492, 548, 582, 615, 685, 776, 820, 822, 970, 984, 1096, 1164, 1230, 1370, 1455, 1640, 1644, 1940, 2055, 2328, 2460, 2740, 2910, 3288, 3880, 3977, 4110, 4920, 5480, 5617, 5820, 7954, 8220, 11234, 11640, 11931, 13289, 15908, 16440, 16851, 19885, 22468, 23862, 26578, 28085, 31816, 33702, 39770, 39867, 44936, 47724, 53156, 56170, 59655, 66445, 67404, 79540, 79734, 84255, 95448, 106312, 112340, 119310, 132890, 134808, 159080, 159468, 168510, 199335, 224680, 238620, 265780, 318936, 337020, 398670, 477240, 531560, 544849, 674040, 797340, 1089698, 1594680, 1634547, 2179396, 2724245, 3269094, 4358792, 5448490, 6538188, 8172735, 10896980, 13076376, 16345470, 21793960, 32690940, 65381880]

約数ペア:

[(1, 65381880), (2, 32690940), (3, 21793960), (4, 16345470), (5, 13076376), (6, 10896980), (8, 8172735), (10, 6538188), (12, 5448490), (15, 4358792), (20, 3269094), (24, 2724245), (30, 2179396), (40, 1634547), (41, 1594680), (60, 1089698), (82, 797340), (97, 674040), (120, 544849), (123, 531560), (137, 477240), (164, 398670), (194, 337020), (205, 318936), (246, 265780), (274, 238620), (291, 224680), (328, 199335), (388, 168510), (410, 159468), (411, 159080), (485, 134808), (492, 132890), (548, 119310), (582, 112340), (615, 106312), (685, 95448), (776, 84255), (820, 79734), (822, 79540), (970, 67404), (984, 66445), (1096, 59655), (1164, 56170), (1230, 53156), (1370, 47724), (1455, 44936), (1640, 39867), (1644, 39770), (1940, 33702), (2055, 31816), (2328, 28085), (2460, 26578), (2740, 23862), (2910, 22468), (3288, 19885), (3880, 16851), (3977, 16440), (4110, 15908), (4920, 13289), (5480, 11931), (5617, 11640), (5820, 11234), (7954, 8220)]