280931616

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:775

約数の個数: 144

約数和(自身を含む): 917961408

約数和(自身を除く): 637029792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 331, 336, 421, 504, 662, 672, 842, 993, 1008, 1263, 1324, 1684, 1986, 2016, 2317, 2526, 2648, 2947, 2979, 3368, 3789, 3972, 4634, 5052, 5296, 5894, 5958, 6736, 6951, 7578, 7944, 8841, 9268, 10104, 10592, 11788, 11916, 13472, 13902, 15156, 15888, 17682, 18536, 20208, 20853, 23576, 23832, 26523, 27804, 30312, 31776, 35364, 37072, 40416, 41706, 47152, 47664, 53046, 55608, 60624, 70728, 74144, 83412, 94304, 95328, 106092, 111216, 121248, 139351, 141456, 166824, 212184, 222432, 278702, 282912, 333648, 418053, 424368, 557404, 667296, 836106, 848736, 975457, 1114808, 1254159, 1672212, 1950914, 2229616, 2508318, 2926371, 3344424, 3901828, 4459232, 5016636, 5852742, 6688848, 7803656, 8779113, 10033272, 11705484, 13377696, 15607312, 17558226, 20066544, 23410968, 31214624, 35116452, 40133088, 46821936, 70232904, 93643872, 140465808, 280931616]

約数ペア:

[(1, 280931616), (2, 140465808), (3, 93643872), (4, 70232904), (6, 46821936), (7, 40133088), (8, 35116452), (9, 31214624), (12, 23410968), (14, 20066544), (16, 17558226), (18, 15607312), (21, 13377696), (24, 11705484), (28, 10033272), (32, 8779113), (36, 7803656), (42, 6688848), (48, 5852742), (56, 5016636), (63, 4459232), (72, 3901828), (84, 3344424), (96, 2926371), (112, 2508318), (126, 2229616), (144, 1950914), (168, 1672212), (224, 1254159), (252, 1114808), (288, 975457), (331, 848736), (336, 836106), (421, 667296), (504, 557404), (662, 424368), (672, 418053), (842, 333648), (993, 282912), (1008, 278702), (1263, 222432), (1324, 212184), (1684, 166824), (1986, 141456), (2016, 139351), (2317, 121248), (2526, 111216), (2648, 106092), (2947, 95328), (2979, 94304), (3368, 83412), (3789, 74144), (3972, 70728), (4634, 60624), (5052, 55608), (5296, 53046), (5894, 47664), (5958, 47152), (6736, 41706), (6951, 40416), (7578, 37072), (7944, 35364), (8841, 31776), (9268, 30312), (10104, 27804), (10592, 26523), (11788, 23832), (11916, 23576), (13472, 20853), (13902, 20208), (15156, 18536), (15888, 17682)]