28763520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 93415680

約数和(自身を除く): 64652160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 211, 213, 240, 284, 320, 355, 384, 422, 426, 480, 568, 633, 640, 710, 844, 852, 960, 1055, 1065, 1136, 1266, 1420, 1688, 1704, 1920, 2110, 2130, 2272, 2532, 2840, 3165, 3376, 3408, 4220, 4260, 4544, 5064, 5680, 6330, 6752, 6816, 8440, 8520, 9088, 10128, 11360, 12660, 13504, 13632, 14981, 16880, 17040, 20256, 22720, 25320, 27008, 27264, 29962, 33760, 34080, 40512, 44943, 45440, 50640, 59924, 67520, 68160, 74905, 81024, 89886, 101280, 119848, 135040, 136320, 149810, 179772, 202560, 224715, 239696, 299620, 359544, 405120, 449430, 479392, 599240, 719088, 898860, 958784, 1198480, 1438176, 1797720, 1917568, 2396960, 2876352, 3595440, 4793920, 5752704, 7190880, 9587840, 14381760, 28763520]

約数ペア:

[(1, 28763520), (2, 14381760), (3, 9587840), (4, 7190880), (5, 5752704), (6, 4793920), (8, 3595440), (10, 2876352), (12, 2396960), (15, 1917568), (16, 1797720), (20, 1438176), (24, 1198480), (30, 958784), (32, 898860), (40, 719088), (48, 599240), (60, 479392), (64, 449430), (71, 405120), (80, 359544), (96, 299620), (120, 239696), (128, 224715), (142, 202560), (160, 179772), (192, 149810), (211, 136320), (213, 135040), (240, 119848), (284, 101280), (320, 89886), (355, 81024), (384, 74905), (422, 68160), (426, 67520), (480, 59924), (568, 50640), (633, 45440), (640, 44943), (710, 40512), (844, 34080), (852, 33760), (960, 29962), (1055, 27264), (1065, 27008), (1136, 25320), (1266, 22720), (1420, 20256), (1688, 17040), (1704, 16880), (1920, 14981), (2110, 13632), (2130, 13504), (2272, 12660), (2532, 11360), (2840, 10128), (3165, 9088), (3376, 8520), (3408, 8440), (4220, 6816), (4260, 6752), (4544, 6330), (5064, 5680)]