21888039680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:631

約数の個数: 288

約数和(自身を含む): 58902716544

約数和(自身を除く): 37014676864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 73, 74, 80, 104, 128, 130, 146, 148, 160, 185, 208, 256, 260, 292, 296, 320, 365, 370, 416, 481, 487, 520, 584, 592, 640, 730, 740, 832, 949, 962, 974, 1040, 1168, 1184, 1280, 1460, 1480, 1664, 1898, 1924, 1948, 2080, 2336, 2368, 2405, 2435, 2701, 2920, 2960, 3328, 3796, 3848, 3896, 4160, 4672, 4736, 4745, 4810, 4870, 5402, 5840, 5920, 6331, 7592, 7696, 7792, 8320, 9344, 9472, 9490, 9620, 9740, 10804, 11680, 11840, 12662, 13505, 15184, 15392, 15584, 16640, 18019, 18688, 18980, 19240, 19480, 21608, 23360, 23680, 25324, 27010, 30368, 30784, 31168, 31655, 35113, 35551, 36038, 37960, 38480, 38960, 43216, 46720, 47360, 50648, 54020, 60736, 61568, 62336, 63310, 70226, 71102, 72076, 75920, 76960, 77920, 86432, 90095, 93440, 101296, 108040, 121472, 123136, 124672, 126620, 140452, 142204, 144152, 151840, 153920, 155840, 172864, 175565, 177755, 180190, 202592, 216080, 234247, 242944, 253240, 280904, 284408, 288304, 303680, 307840, 311680, 345728, 351130, 355510, 360380, 405184, 432160, 462163, 468494, 506480, 561808, 568816, 576608, 607360, 615680, 623360, 691456, 702260, 711020, 720760, 810368, 864320, 924326, 936988, 1012960, 1123616, 1137632, 1153216, 1171235, 1214720, 1315387, 1404520, 1422040, 1441520, 1620736, 1728640, 1848652, 1873976, 2025920, 2247232, 2275264, 2306432, 2310815, 2342470, 2630774, 2809040, 2844080, 2883040, 3457280, 3697304, 3747952, 4051840, 4494464, 4550528, 4612864, 4621630, 4684940, 5261548, 5618080, 5688160, 5766080, 6576935, 7394608, 7495904, 8103680, 8988928, 9101056, 9243260, 9369880, 10523096, 11236160, 11376320, 11532160, 13153870, 14789216, 14991808, 17100031, 18486520, 18739760, 21046192, 22472320, 22752640, 23064320, 26307740, 29578432, 29983616, 34200062, 36973040, 37479520, 42092384, 44944640, 45505280, 52615480, 59156864, 59967232, 68400124, 73946080, 74959040, 84184768, 85500155, 105230960, 118313728, 136800248, 147892160, 149918080, 168369536, 171000310, 210461920, 273600496, 295784320, 299836160, 336739072, 342000620, 420923840, 547200992, 591568640, 684001240, 841847680, 1094401984, 1368002480, 1683695360, 2188803968, 2736004960, 4377607936, 5472009920, 10944019840, 21888039680]

約数ペア:

[(1, 21888039680), (2, 10944019840), (4, 5472009920), (5, 4377607936), (8, 2736004960), (10, 2188803968), (13, 1683695360), (16, 1368002480), (20, 1094401984), (26, 841847680), (32, 684001240), (37, 591568640), (40, 547200992), (52, 420923840), (64, 342000620), (65, 336739072), (73, 299836160), (74, 295784320), (80, 273600496), (104, 210461920), (128, 171000310), (130, 168369536), (146, 149918080), (148, 147892160), (160, 136800248), (185, 118313728), (208, 105230960), (256, 85500155), (260, 84184768), (292, 74959040), (296, 73946080), (320, 68400124), (365, 59967232), (370, 59156864), (416, 52615480), (481, 45505280), (487, 44944640), (520, 42092384), (584, 37479520), (592, 36973040), (640, 34200062), (730, 29983616), (740, 29578432), (832, 26307740), (949, 23064320), (962, 22752640), (974, 22472320), (1040, 21046192), (1168, 18739760), (1184, 18486520), (1280, 17100031), (1460, 14991808), (1480, 14789216), (1664, 13153870), (1898, 11532160), (1924, 11376320), (1948, 11236160), (2080, 10523096), (2336, 9369880), (2368, 9243260), (2405, 9101056), (2435, 8988928), (2701, 8103680), (2920, 7495904), (2960, 7394608), (3328, 6576935), (3796, 5766080), (3848, 5688160), (3896, 5618080), (4160, 5261548), (4672, 4684940), (4736, 4621630), (4745, 4612864), (4810, 4550528), (4870, 4494464), (5402, 4051840), (5840, 3747952), (5920, 3697304), (6331, 3457280), (7592, 2883040), (7696, 2844080), (7792, 2809040), (8320, 2630774), (9344, 2342470), (9472, 2310815), (9490, 2306432), (9620, 2275264), (9740, 2247232), (10804, 2025920), (11680, 1873976), (11840, 1848652), (12662, 1728640), (13505, 1620736), (15184, 1441520), (15392, 1422040), (15584, 1404520), (16640, 1315387), (18019, 1214720), (18688, 1171235), (18980, 1153216), (19240, 1137632), (19480, 1123616), (21608, 1012960), (23360, 936988), (23680, 924326), (25324, 864320), (27010, 810368), (30368, 720760), (30784, 711020), (31168, 702260), (31655, 691456), (35113, 623360), (35551, 615680), (36038, 607360), (37960, 576608), (38480, 568816), (38960, 561808), (43216, 506480), (46720, 468494), (47360, 462163), (50648, 432160), (54020, 405184), (60736, 360380), (61568, 355510), (62336, 351130), (63310, 345728), (70226, 311680), (71102, 307840), (72076, 303680), (75920, 288304), (76960, 284408), (77920, 280904), (86432, 253240), (90095, 242944), (93440, 234247), (101296, 216080), (108040, 202592), (121472, 180190), (123136, 177755), (124672, 175565), (126620, 172864), (140452, 155840), (142204, 153920), (144152, 151840)]