65207520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{6469}}^1$

素因数の和:6497

約数の個数: 144

約数和(自身を含む): 254348640

約数和(自身を除く): 189141120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 6469, 10080, 12938, 19407, 25876, 32345, 38814, 45283, 51752, 58221, 64690, 77628, 90566, 97035, 103504, 116442, 129380, 135849, 155256, 181132, 194070, 207008, 226415, 232884, 258760, 271698, 291105, 310512, 362264, 388140, 407547, 452830, 465768, 517520, 543396, 582210, 621024, 679245, 724528, 776280, 815094, 905660, 931536, 1035040, 1086792, 1164420, 1358490, 1449056, 1552560, 1630188, 1811320, 1863072, 2037735, 2173584, 2328840, 2716980, 3105120, 3260376, 3622640, 4075470, 4347168, 4657680, 5433960, 6520752, 7245280, 8150940, 9315360, 10867920, 13041504, 16301880, 21735840, 32603760, 65207520]

約数ペア:

[(1, 65207520), (2, 32603760), (3, 21735840), (4, 16301880), (5, 13041504), (6, 10867920), (7, 9315360), (8, 8150940), (9, 7245280), (10, 6520752), (12, 5433960), (14, 4657680), (15, 4347168), (16, 4075470), (18, 3622640), (20, 3260376), (21, 3105120), (24, 2716980), (28, 2328840), (30, 2173584), (32, 2037735), (35, 1863072), (36, 1811320), (40, 1630188), (42, 1552560), (45, 1449056), (48, 1358490), (56, 1164420), (60, 1086792), (63, 1035040), (70, 931536), (72, 905660), (80, 815094), (84, 776280), (90, 724528), (96, 679245), (105, 621024), (112, 582210), (120, 543396), (126, 517520), (140, 465768), (144, 452830), (160, 407547), (168, 388140), (180, 362264), (210, 310512), (224, 291105), (240, 271698), (252, 258760), (280, 232884), (288, 226415), (315, 207008), (336, 194070), (360, 181132), (420, 155256), (480, 135849), (504, 129380), (560, 116442), (630, 103504), (672, 97035), (720, 90566), (840, 77628), (1008, 64690), (1120, 58221), (1260, 51752), (1440, 45283), (1680, 38814), (2016, 32345), (2520, 25876), (3360, 19407), (5040, 12938), (6469, 10080)]