256850160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21841}}^1$

素因数の和:21871

約数の個数: 120

約数和(自身を含む): 926275536

約数和(自身を除く): 669425376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21841, 43682, 65523, 87364, 109205, 131046, 152887, 174728, 218410, 262092, 305774, 327615, 349456, 436820, 458661, 524184, 611548, 655230, 764435, 873640, 917322, 1048368, 1070209, 1223096, 1310460, 1528870, 1747280, 1834644, 2140418, 2293305, 2446192, 2620920, 3057740, 3210627, 3669288, 4280836, 4586610, 5241840, 5351045, 6115480, 6421254, 7338576, 8561672, 9173220, 10702090, 12230960, 12842508, 16053135, 17123344, 18346440, 21404180, 25685016, 32106270, 36692880, 42808360, 51370032, 64212540, 85616720, 128425080, 256850160]

約数ペア:

[(1, 256850160), (2, 128425080), (3, 85616720), (4, 64212540), (5, 51370032), (6, 42808360), (7, 36692880), (8, 32106270), (10, 25685016), (12, 21404180), (14, 18346440), (15, 17123344), (16, 16053135), (20, 12842508), (21, 12230960), (24, 10702090), (28, 9173220), (30, 8561672), (35, 7338576), (40, 6421254), (42, 6115480), (48, 5351045), (49, 5241840), (56, 4586610), (60, 4280836), (70, 3669288), (80, 3210627), (84, 3057740), (98, 2620920), (105, 2446192), (112, 2293305), (120, 2140418), (140, 1834644), (147, 1747280), (168, 1528870), (196, 1310460), (210, 1223096), (240, 1070209), (245, 1048368), (280, 917322), (294, 873640), (336, 764435), (392, 655230), (420, 611548), (490, 524184), (560, 458661), (588, 436820), (735, 349456), (784, 327615), (840, 305774), (980, 262092), (1176, 218410), (1470, 174728), (1680, 152887), (1960, 131046), (2352, 109205), (2940, 87364), (3920, 65523), (5880, 43682), (11760, 21841)]