78783120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 240

約数和(自身を含む): 300605760

約数和(自身を除く): 221822640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 443, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 886, 912, 936, 988, 1040, 1140, 1170, 1235, 1329, 1368, 1482, 1520, 1560, 1710, 1772, 1872, 1976, 2215, 2223, 2280, 2340, 2470, 2658, 2736, 2964, 3120, 3420, 3544, 3705, 3952, 3987, 4430, 4446, 4560, 4680, 4940, 5316, 5759, 5928, 6645, 6840, 7088, 7410, 7974, 8417, 8860, 8892, 9360, 9880, 10632, 11115, 11518, 11856, 13290, 13680, 14820, 15948, 16834, 17277, 17720, 17784, 19760, 19935, 21264, 22230, 23036, 25251, 26580, 28795, 29640, 31896, 33668, 34554, 35440, 35568, 39870, 42085, 44460, 46072, 50502, 51831, 53160, 57590, 59280, 63792, 67336, 69108, 75753, 79740, 84170, 86385, 88920, 92144, 101004, 103662, 106320, 109421, 115180, 126255, 134672, 138216, 151506, 159480, 168340, 172770, 177840, 202008, 207324, 218842, 230360, 252510, 259155, 276432, 303012, 318960, 328263, 336680, 345540, 378765, 404016, 414648, 437684, 460720, 505020, 518310, 547105, 606024, 656526, 673360, 691080, 757530, 829296, 875368, 984789, 1010040, 1036620, 1094210, 1212048, 1313052, 1382160, 1515060, 1641315, 1750736, 1969578, 2020080, 2073240, 2188420, 2626104, 3030120, 3282630, 3939156, 4146480, 4376840, 4923945, 5252208, 6060240, 6565260, 7878312, 8753680, 9847890, 13130520, 15756624, 19695780, 26261040, 39391560, 78783120]

約数ペア:

[(1, 78783120), (2, 39391560), (3, 26261040), (4, 19695780), (5, 15756624), (6, 13130520), (8, 9847890), (9, 8753680), (10, 7878312), (12, 6565260), (13, 6060240), (15, 5252208), (16, 4923945), (18, 4376840), (19, 4146480), (20, 3939156), (24, 3282630), (26, 3030120), (30, 2626104), (36, 2188420), (38, 2073240), (39, 2020080), (40, 1969578), (45, 1750736), (48, 1641315), (52, 1515060), (57, 1382160), (60, 1313052), (65, 1212048), (72, 1094210), (76, 1036620), (78, 1010040), (80, 984789), (90, 875368), (95, 829296), (104, 757530), (114, 691080), (117, 673360), (120, 656526), (130, 606024), (144, 547105), (152, 518310), (156, 505020), (171, 460720), (180, 437684), (190, 414648), (195, 404016), (208, 378765), (228, 345540), (234, 336680), (240, 328263), (247, 318960), (260, 303012), (285, 276432), (304, 259155), (312, 252510), (342, 230360), (360, 218842), (380, 207324), (390, 202008), (443, 177840), (456, 172770), (468, 168340), (494, 159480), (520, 151506), (570, 138216), (585, 134672), (624, 126255), (684, 115180), (720, 109421), (741, 106320), (760, 103662), (780, 101004), (855, 92144), (886, 88920), (912, 86385), (936, 84170), (988, 79740), (1040, 75753), (1140, 69108), (1170, 67336), (1235, 63792), (1329, 59280), (1368, 57590), (1482, 53160), (1520, 51831), (1560, 50502), (1710, 46072), (1772, 44460), (1872, 42085), (1976, 39870), (2215, 35568), (2223, 35440), (2280, 34554), (2340, 33668), (2470, 31896), (2658, 29640), (2736, 28795), (2964, 26580), (3120, 25251), (3420, 23036), (3544, 22230), (3705, 21264), (3952, 19935), (3987, 19760), (4430, 17784), (4446, 17720), (4560, 17277), (4680, 16834), (4940, 15948), (5316, 14820), (5759, 13680), (5928, 13290), (6645, 11856), (6840, 11518), (7088, 11115), (7410, 10632), (7974, 9880), (8417, 9360), (8860, 8892)]