820869408

素因数分解:

$2^5\times 3^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:535

約数の個数: 144

約数和(自身を含む): 2392790400

約数和(自身を除く): 1571920992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 79, 96, 109, 144, 158, 218, 237, 288, 316, 327, 331, 436, 474, 632, 654, 662, 711, 872, 948, 981, 993, 1264, 1308, 1324, 1422, 1744, 1896, 1962, 1986, 2528, 2616, 2648, 2844, 2979, 3488, 3792, 3924, 3972, 5232, 5296, 5688, 5958, 7584, 7848, 7944, 8611, 10464, 10592, 11376, 11916, 15696, 15888, 17222, 22752, 23832, 25833, 26149, 31392, 31776, 34444, 36079, 47664, 51666, 52298, 68888, 72158, 77499, 78447, 95328, 103332, 104596, 108237, 137776, 144316, 154998, 156894, 206664, 209192, 216474, 235341, 275552, 288632, 309996, 313788, 324711, 413328, 418384, 432948, 470682, 577264, 619992, 627576, 649422, 826656, 836768, 865896, 941364, 1154528, 1239984, 1255152, 1298844, 1731792, 1882728, 2479968, 2510304, 2597688, 2850241, 3463584, 3765456, 5195376, 5700482, 7530912, 8550723, 10390752, 11400964, 17101446, 22801928, 25652169, 34202892, 45603856, 51304338, 68405784, 91207712, 102608676, 136811568, 205217352, 273623136, 410434704, 820869408]

約数ペア:

[(1, 820869408), (2, 410434704), (3, 273623136), (4, 205217352), (6, 136811568), (8, 102608676), (9, 91207712), (12, 68405784), (16, 51304338), (18, 45603856), (24, 34202892), (32, 25652169), (36, 22801928), (48, 17101446), (72, 11400964), (79, 10390752), (96, 8550723), (109, 7530912), (144, 5700482), (158, 5195376), (218, 3765456), (237, 3463584), (288, 2850241), (316, 2597688), (327, 2510304), (331, 2479968), (436, 1882728), (474, 1731792), (632, 1298844), (654, 1255152), (662, 1239984), (711, 1154528), (872, 941364), (948, 865896), (981, 836768), (993, 826656), (1264, 649422), (1308, 627576), (1324, 619992), (1422, 577264), (1744, 470682), (1896, 432948), (1962, 418384), (1986, 413328), (2528, 324711), (2616, 313788), (2648, 309996), (2844, 288632), (2979, 275552), (3488, 235341), (3792, 216474), (3924, 209192), (3972, 206664), (5232, 156894), (5296, 154998), (5688, 144316), (5958, 137776), (7584, 108237), (7848, 104596), (7944, 103332), (8611, 95328), (10464, 78447), (10592, 77499), (11376, 72158), (11916, 68888), (15696, 52298), (15888, 51666), (17222, 47664), (22752, 36079), (23832, 34444), (25833, 31776), (26149, 31392)]