140731920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{3989}}^1$

素因数の和:4022

約数の個数: 180

約数和(自身を含む): 549925740

約数和(自身を除く): 409193820

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 3989, 4410, 5040, 5880, 7056, 7978, 8820, 11760, 11967, 15956, 17640, 19945, 23934, 27923, 31912, 35280, 35901, 39890, 47868, 55846, 59835, 63824, 71802, 79780, 83769, 95736, 111692, 119670, 139615, 143604, 159560, 167538, 179505, 191472, 195461, 223384, 239340, 251307, 279230, 287208, 319120, 335076, 359010, 390922, 418845, 446768, 478680, 502614, 558460, 574416, 586383, 670152, 718020, 781844, 837690, 957360, 977305, 1005228, 1116920, 1172766, 1256535, 1340304, 1436040, 1563688, 1675380, 1759149, 1954610, 2010456, 2233840, 2345532, 2513070, 2872080, 2931915, 3127376, 3350760, 3518298, 3909220, 4020912, 4691064, 5026140, 5863830, 6701520, 7036596, 7818440, 8795745, 9382128, 10052280, 11727660, 14073192, 15636880, 17591490, 20104560, 23455320, 28146384, 35182980, 46910640, 70365960, 140731920]

約数ペア:

[(1, 140731920), (2, 70365960), (3, 46910640), (4, 35182980), (5, 28146384), (6, 23455320), (7, 20104560), (8, 17591490), (9, 15636880), (10, 14073192), (12, 11727660), (14, 10052280), (15, 9382128), (16, 8795745), (18, 7818440), (20, 7036596), (21, 6701520), (24, 5863830), (28, 5026140), (30, 4691064), (35, 4020912), (36, 3909220), (40, 3518298), (42, 3350760), (45, 3127376), (48, 2931915), (49, 2872080), (56, 2513070), (60, 2345532), (63, 2233840), (70, 2010456), (72, 1954610), (80, 1759149), (84, 1675380), (90, 1563688), (98, 1436040), (105, 1340304), (112, 1256535), (120, 1172766), (126, 1116920), (140, 1005228), (144, 977305), (147, 957360), (168, 837690), (180, 781844), (196, 718020), (210, 670152), (240, 586383), (245, 574416), (252, 558460), (280, 502614), (294, 478680), (315, 446768), (336, 418845), (360, 390922), (392, 359010), (420, 335076), (441, 319120), (490, 287208), (504, 279230), (560, 251307), (588, 239340), (630, 223384), (720, 195461), (735, 191472), (784, 179505), (840, 167538), (882, 159560), (980, 143604), (1008, 139615), (1176, 119670), (1260, 111692), (1470, 95736), (1680, 83769), (1764, 79780), (1960, 71802), (2205, 63824), (2352, 59835), (2520, 55846), (2940, 47868), (3528, 39890), (3920, 35901), (3989, 35280), (4410, 31912), (5040, 27923), (5880, 23934), (7056, 19945), (7978, 17640), (8820, 15956), (11760, 11967)]