178240020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1223}}^1$

素因数の和:1589

約数の個数: 96

約数和(自身を含む): 572479488

約数和(自身を除く): 394239468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 347, 420, 694, 1041, 1223, 1388, 1735, 2082, 2429, 2446, 3470, 3669, 4164, 4858, 4892, 5205, 6115, 6940, 7287, 7338, 8561, 9716, 10410, 12145, 12230, 14574, 14676, 17122, 18345, 20820, 24290, 24460, 25683, 29148, 34244, 36435, 36690, 42805, 48580, 51366, 72870, 73380, 85610, 102732, 128415, 145740, 171220, 256830, 424381, 513660, 848762, 1273143, 1697524, 2121905, 2546286, 2970667, 4243810, 5092572, 5941334, 6365715, 8487620, 8912001, 11882668, 12731430, 14853335, 17824002, 25462860, 29706670, 35648004, 44560005, 59413340, 89120010, 178240020]

約数ペア:

[(1, 178240020), (2, 89120010), (3, 59413340), (4, 44560005), (5, 35648004), (6, 29706670), (7, 25462860), (10, 17824002), (12, 14853335), (14, 12731430), (15, 11882668), (20, 8912001), (21, 8487620), (28, 6365715), (30, 5941334), (35, 5092572), (42, 4243810), (60, 2970667), (70, 2546286), (84, 2121905), (105, 1697524), (140, 1273143), (210, 848762), (347, 513660), (420, 424381), (694, 256830), (1041, 171220), (1223, 145740), (1388, 128415), (1735, 102732), (2082, 85610), (2429, 73380), (2446, 72870), (3470, 51366), (3669, 48580), (4164, 42805), (4858, 36690), (4892, 36435), (5205, 34244), (6115, 29148), (6940, 25683), (7287, 24460), (7338, 24290), (8561, 20820), (9716, 18345), (10410, 17122), (12145, 14676), (12230, 14574)]