21178494720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{34687}}^1$

素因数の和:34767

約数の個数: 216

約数和(自身を含む): 74660092416

約数和(自身を除く): 53481597696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 240, 256, 265, 288, 318, 320, 360, 384, 424, 477, 480, 530, 576, 636, 640, 720, 768, 795, 848, 954, 960, 1060, 1152, 1272, 1280, 1440, 1590, 1696, 1908, 1920, 2120, 2304, 2385, 2544, 2880, 3180, 3392, 3816, 3840, 4240, 4770, 5088, 5760, 6360, 6784, 7632, 8480, 9540, 10176, 11520, 12720, 13568, 15264, 16960, 19080, 20352, 25440, 30528, 33920, 34687, 38160, 40704, 50880, 61056, 67840, 69374, 76320, 101760, 104061, 122112, 138748, 152640, 173435, 203520, 208122, 277496, 305280, 312183, 346870, 416244, 520305, 554992, 610560, 624366, 693740, 832488, 1040610, 1109984, 1248732, 1387480, 1560915, 1664976, 1838411, 2081220, 2219968, 2497464, 2774960, 3121830, 3329952, 3676822, 4162440, 4439936, 4994928, 5515233, 5549920, 6243660, 6659904, 7353644, 8324880, 8879872, 9192055, 9989856, 11030466, 11099840, 12487320, 13319808, 14707288, 16545699, 16649760, 18384110, 19979712, 22060932, 22199680, 24974640, 26639616, 27576165, 29414576, 33091398, 33299520, 36768220, 39959424, 44121864, 44399360, 49949280, 55152330, 58829152, 66182796, 66599040, 73536440, 79918848, 82728495, 88243728, 99898560, 110304660, 117658304, 132365592, 133198080, 147072880, 165456990, 176487456, 199797120, 220609320, 235316608, 264731184, 294145760, 330913980, 352974912, 399594240, 441218640, 470633216, 529462368, 588291520, 661827960, 705949824, 882437280, 1058924736, 1176583040, 1323655920, 1411899648, 1764874560, 2117849472, 2353166080, 2647311840, 3529749120, 4235698944, 5294623680, 7059498240, 10589247360, 21178494720]

約数ペア:

[(1, 21178494720), (2, 10589247360), (3, 7059498240), (4, 5294623680), (5, 4235698944), (6, 3529749120), (8, 2647311840), (9, 2353166080), (10, 2117849472), (12, 1764874560), (15, 1411899648), (16, 1323655920), (18, 1176583040), (20, 1058924736), (24, 882437280), (30, 705949824), (32, 661827960), (36, 588291520), (40, 529462368), (45, 470633216), (48, 441218640), (53, 399594240), (60, 352974912), (64, 330913980), (72, 294145760), (80, 264731184), (90, 235316608), (96, 220609320), (106, 199797120), (120, 176487456), (128, 165456990), (144, 147072880), (159, 133198080), (160, 132365592), (180, 117658304), (192, 110304660), (212, 99898560), (240, 88243728), (256, 82728495), (265, 79918848), (288, 73536440), (318, 66599040), (320, 66182796), (360, 58829152), (384, 55152330), (424, 49949280), (477, 44399360), (480, 44121864), (530, 39959424), (576, 36768220), (636, 33299520), (640, 33091398), (720, 29414576), (768, 27576165), (795, 26639616), (848, 24974640), (954, 22199680), (960, 22060932), (1060, 19979712), (1152, 18384110), (1272, 16649760), (1280, 16545699), (1440, 14707288), (1590, 13319808), (1696, 12487320), (1908, 11099840), (1920, 11030466), (2120, 9989856), (2304, 9192055), (2385, 8879872), (2544, 8324880), (2880, 7353644), (3180, 6659904), (3392, 6243660), (3816, 5549920), (3840, 5515233), (4240, 4994928), (4770, 4439936), (5088, 4162440), (5760, 3676822), (6360, 3329952), (6784, 3121830), (7632, 2774960), (8480, 2497464), (9540, 2219968), (10176, 2081220), (11520, 1838411), (12720, 1664976), (13568, 1560915), (15264, 1387480), (16960, 1248732), (19080, 1109984), (20352, 1040610), (25440, 832488), (30528, 693740), (33920, 624366), (34687, 610560), (38160, 554992), (40704, 520305), (50880, 416244), (61056, 346870), (67840, 312183), (69374, 305280), (76320, 277496), (101760, 208122), (104061, 203520), (122112, 173435), (138748, 152640)]