178439520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2309}}^1$

素因数の和:2357

約数の個数: 192

約数和(自身を含む): 670602240

約数和(自身を除く): 492162720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 966, 1104, 1120, 1288, 1380, 1610, 1680, 1840, 1932, 2208, 2309, 2415, 2576, 2760, 3220, 3360, 3680, 3864, 4618, 4830, 5152, 5520, 6440, 6927, 7728, 9236, 9660, 11040, 11545, 12880, 13854, 15456, 16163, 18472, 19320, 23090, 25760, 27708, 32326, 34635, 36944, 38640, 46180, 48489, 53107, 55416, 64652, 69270, 73888, 77280, 80815, 92360, 96978, 106214, 110832, 129304, 138540, 159321, 161630, 184720, 193956, 212428, 221664, 242445, 258608, 265535, 277080, 318642, 323260, 369440, 371749, 387912, 424856, 484890, 517216, 531070, 554160, 637284, 646520, 743498, 775824, 796605, 849712, 969780, 1062140, 1108320, 1115247, 1274568, 1293040, 1486996, 1551648, 1593210, 1699424, 1858745, 1939560, 2124280, 2230494, 2549136, 2586080, 2973992, 3186420, 3717490, 3879120, 4248560, 4460988, 5098272, 5576235, 5947984, 6372840, 7434980, 7758240, 8497120, 8921976, 11152470, 11895968, 12745680, 14869960, 17843952, 22304940, 25491360, 29739920, 35687904, 44609880, 59479840, 89219760, 178439520]

約数ペア:

[(1, 178439520), (2, 89219760), (3, 59479840), (4, 44609880), (5, 35687904), (6, 29739920), (7, 25491360), (8, 22304940), (10, 17843952), (12, 14869960), (14, 12745680), (15, 11895968), (16, 11152470), (20, 8921976), (21, 8497120), (23, 7758240), (24, 7434980), (28, 6372840), (30, 5947984), (32, 5576235), (35, 5098272), (40, 4460988), (42, 4248560), (46, 3879120), (48, 3717490), (56, 3186420), (60, 2973992), (69, 2586080), (70, 2549136), (80, 2230494), (84, 2124280), (92, 1939560), (96, 1858745), (105, 1699424), (112, 1593210), (115, 1551648), (120, 1486996), (138, 1293040), (140, 1274568), (160, 1115247), (161, 1108320), (168, 1062140), (184, 969780), (210, 849712), (224, 796605), (230, 775824), (240, 743498), (276, 646520), (280, 637284), (322, 554160), (336, 531070), (345, 517216), (368, 484890), (420, 424856), (460, 387912), (480, 371749), (483, 369440), (552, 323260), (560, 318642), (644, 277080), (672, 265535), (690, 258608), (736, 242445), (805, 221664), (840, 212428), (920, 193956), (966, 184720), (1104, 161630), (1120, 159321), (1288, 138540), (1380, 129304), (1610, 110832), (1680, 106214), (1840, 96978), (1932, 92360), (2208, 80815), (2309, 77280), (2415, 73888), (2576, 69270), (2760, 64652), (3220, 55416), (3360, 53107), (3680, 48489), (3864, 46180), (4618, 38640), (4830, 36944), (5152, 34635), (5520, 32326), (6440, 27708), (6927, 25760), (7728, 23090), (9236, 19320), (9660, 18472), (11040, 16163), (11545, 15456), (12880, 13854)]