68028660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{857}}^1$

素因数の和:892

約数の個数: 180

約数和(自身を含む): 248540292

約数和(自身を除く): 180511632

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 857, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1714, 1764, 1890, 2205, 2268, 2571, 2646, 2835, 2940, 3428, 3780, 3969, 4285, 4410, 5142, 5292, 5670, 5999, 6615, 7713, 7938, 8570, 8820, 10284, 11340, 11998, 12855, 13230, 15426, 15876, 17140, 17997, 19845, 23139, 23996, 25710, 26460, 29995, 30852, 35994, 38565, 39690, 41993, 46278, 51420, 53991, 59990, 69417, 71988, 77130, 79380, 83986, 89985, 92556, 107982, 115695, 119980, 125979, 138834, 154260, 161973, 167972, 179970, 209965, 215964, 231390, 251958, 269955, 277668, 323946, 347085, 359940, 377937, 419930, 462780, 485919, 503916, 539910, 629895, 647892, 694170, 755874, 809865, 839860, 971838, 1079820, 1133811, 1259790, 1388340, 1511748, 1619730, 1889685, 1943676, 2267622, 2429595, 2519580, 3239460, 3401433, 3779370, 4535244, 4859190, 5669055, 6802866, 7558740, 9718380, 11338110, 13605732, 17007165, 22676220, 34014330, 68028660]

約数ペア:

[(1, 68028660), (2, 34014330), (3, 22676220), (4, 17007165), (5, 13605732), (6, 11338110), (7, 9718380), (9, 7558740), (10, 6802866), (12, 5669055), (14, 4859190), (15, 4535244), (18, 3779370), (20, 3401433), (21, 3239460), (27, 2519580), (28, 2429595), (30, 2267622), (35, 1943676), (36, 1889685), (42, 1619730), (45, 1511748), (49, 1388340), (54, 1259790), (60, 1133811), (63, 1079820), (70, 971838), (81, 839860), (84, 809865), (90, 755874), (98, 694170), (105, 647892), (108, 629895), (126, 539910), (135, 503916), (140, 485919), (147, 462780), (162, 419930), (180, 377937), (189, 359940), (196, 347085), (210, 323946), (245, 277668), (252, 269955), (270, 251958), (294, 231390), (315, 215964), (324, 209965), (378, 179970), (405, 167972), (420, 161973), (441, 154260), (490, 138834), (540, 125979), (567, 119980), (588, 115695), (630, 107982), (735, 92556), (756, 89985), (810, 83986), (857, 79380), (882, 77130), (945, 71988), (980, 69417), (1134, 59990), (1260, 53991), (1323, 51420), (1470, 46278), (1620, 41993), (1714, 39690), (1764, 38565), (1890, 35994), (2205, 30852), (2268, 29995), (2571, 26460), (2646, 25710), (2835, 23996), (2940, 23139), (3428, 19845), (3780, 17997), (3969, 17140), (4285, 15876), (4410, 15426), (5142, 13230), (5292, 12855), (5670, 11998), (5999, 11340), (6615, 10284), (7713, 8820), (7938, 8570)]