638785440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2193

約数の個数: 240

約数和(自身を含む): 2353494528

約数和(自身を除く): 1714709088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 207, 216, 230, 240, 270, 276, 288, 324, 345, 360, 368, 405, 414, 432, 460, 480, 540, 552, 621, 648, 690, 720, 736, 810, 828, 864, 920, 1035, 1080, 1104, 1242, 1296, 1380, 1440, 1620, 1656, 1840, 1863, 2070, 2143, 2160, 2208, 2484, 2592, 2760, 3105, 3240, 3312, 3680, 3726, 4140, 4286, 4320, 4968, 5520, 6210, 6429, 6480, 6624, 7452, 8280, 8572, 9315, 9936, 10715, 11040, 12420, 12858, 12960, 14904, 16560, 17144, 18630, 19287, 19872, 21430, 24840, 25716, 29808, 32145, 33120, 34288, 37260, 38574, 42860, 49289, 49680, 51432, 57861, 59616, 64290, 68576, 74520, 77148, 85720, 96435, 98578, 99360, 102864, 115722, 128580, 147867, 149040, 154296, 171440, 173583, 192870, 197156, 205728, 231444, 246445, 257160, 289305, 295734, 298080, 308592, 342880, 347166, 385740, 394312, 443601, 462888, 492890, 514320, 578610, 591468, 617184, 694332, 739335, 771480, 788624, 867915, 887202, 925776, 985780, 1028640, 1157220, 1182936, 1330803, 1388664, 1478670, 1542960, 1577248, 1735830, 1774404, 1851552, 1971560, 2218005, 2314440, 2365872, 2661606, 2777328, 2957340, 3085920, 3471660, 3548808, 3943120, 3992409, 4436010, 4628880, 4731744, 5323212, 5554656, 5914680, 6654015, 6943320, 7097616, 7886240, 7984818, 8872020, 9257760, 10646424, 11829360, 13308030, 13886640, 14195232, 15969636, 17744040, 19962045, 21292848, 23658720, 26616060, 27773280, 31939272, 35488080, 39924090, 42585696, 53232120, 63878544, 70976160, 79848180, 106464240, 127757088, 159696360, 212928480, 319392720, 638785440]

約数ペア:

[(1, 638785440), (2, 319392720), (3, 212928480), (4, 159696360), (5, 127757088), (6, 106464240), (8, 79848180), (9, 70976160), (10, 63878544), (12, 53232120), (15, 42585696), (16, 39924090), (18, 35488080), (20, 31939272), (23, 27773280), (24, 26616060), (27, 23658720), (30, 21292848), (32, 19962045), (36, 17744040), (40, 15969636), (45, 14195232), (46, 13886640), (48, 13308030), (54, 11829360), (60, 10646424), (69, 9257760), (72, 8872020), (80, 7984818), (81, 7886240), (90, 7097616), (92, 6943320), (96, 6654015), (108, 5914680), (115, 5554656), (120, 5323212), (135, 4731744), (138, 4628880), (144, 4436010), (160, 3992409), (162, 3943120), (180, 3548808), (184, 3471660), (207, 3085920), (216, 2957340), (230, 2777328), (240, 2661606), (270, 2365872), (276, 2314440), (288, 2218005), (324, 1971560), (345, 1851552), (360, 1774404), (368, 1735830), (405, 1577248), (414, 1542960), (432, 1478670), (460, 1388664), (480, 1330803), (540, 1182936), (552, 1157220), (621, 1028640), (648, 985780), (690, 925776), (720, 887202), (736, 867915), (810, 788624), (828, 771480), (864, 739335), (920, 694332), (1035, 617184), (1080, 591468), (1104, 578610), (1242, 514320), (1296, 492890), (1380, 462888), (1440, 443601), (1620, 394312), (1656, 385740), (1840, 347166), (1863, 342880), (2070, 308592), (2143, 298080), (2160, 295734), (2208, 289305), (2484, 257160), (2592, 246445), (2760, 231444), (3105, 205728), (3240, 197156), (3312, 192870), (3680, 173583), (3726, 171440), (4140, 154296), (4286, 149040), (4320, 147867), (4968, 128580), (5520, 115722), (6210, 102864), (6429, 99360), (6480, 98578), (6624, 96435), (7452, 85720), (8280, 77148), (8572, 74520), (9315, 68576), (9936, 64290), (10715, 59616), (11040, 57861), (12420, 51432), (12858, 49680), (12960, 49289), (14904, 42860), (16560, 38574), (17144, 37260), (18630, 34288), (19287, 33120), (19872, 32145), (21430, 29808), (24840, 25716)]