68748680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 256

約数和(自身を含む): 222082560

約数和(自身を除く): 153333880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 17, 20, 22, 26, 28, 34, 35, 40, 44, 52, 55, 56, 65, 68, 70, 77, 85, 88, 91, 101, 104, 110, 119, 130, 136, 140, 143, 154, 170, 182, 187, 202, 220, 221, 238, 260, 280, 286, 308, 340, 364, 374, 385, 404, 440, 442, 455, 476, 505, 520, 572, 595, 616, 680, 707, 715, 728, 748, 770, 808, 884, 910, 935, 952, 1001, 1010, 1105, 1111, 1144, 1190, 1309, 1313, 1414, 1430, 1496, 1540, 1547, 1717, 1768, 1820, 1870, 2002, 2020, 2210, 2222, 2380, 2431, 2618, 2626, 2828, 2860, 3080, 3094, 3434, 3535, 3640, 3740, 4004, 4040, 4420, 4444, 4760, 4862, 5005, 5236, 5252, 5555, 5656, 5720, 6188, 6545, 6565, 6868, 7070, 7480, 7735, 7777, 8008, 8585, 8840, 8888, 9191, 9724, 10010, 10472, 10504, 11110, 12019, 12155, 12376, 13090, 13130, 13736, 14140, 14443, 15470, 15554, 17017, 17170, 18382, 18887, 19448, 20020, 22220, 22321, 24038, 24310, 26180, 26260, 28280, 28886, 30940, 31108, 34034, 34340, 36764, 37774, 38885, 40040, 44440, 44642, 45955, 48076, 48620, 52360, 52520, 57772, 60095, 61880, 62216, 68068, 68680, 72215, 73528, 75548, 77770, 85085, 89284, 91910, 94435, 96152, 97240, 101101, 111605, 115544, 120190, 132209, 136136, 144430, 151096, 155540, 156247, 170170, 178568, 183820, 188870, 202202, 223210, 240380, 245531, 264418, 288860, 311080, 312494, 340340, 367640, 377740, 404404, 446420, 480760, 491062, 505505, 528836, 577720, 624988, 661045, 680680, 755480, 781235, 808808, 892840, 982124, 1011010, 1057672, 1227655, 1249976, 1322090, 1562470, 1718717, 1964248, 2022020, 2455310, 2644180, 3124940, 3437434, 4044040, 4910620, 5288360, 6249880, 6874868, 8593585, 9821240, 13749736, 17187170, 34374340, 68748680]

約数ペア:

[(1, 68748680), (2, 34374340), (4, 17187170), (5, 13749736), (7, 9821240), (8, 8593585), (10, 6874868), (11, 6249880), (13, 5288360), (14, 4910620), (17, 4044040), (20, 3437434), (22, 3124940), (26, 2644180), (28, 2455310), (34, 2022020), (35, 1964248), (40, 1718717), (44, 1562470), (52, 1322090), (55, 1249976), (56, 1227655), (65, 1057672), (68, 1011010), (70, 982124), (77, 892840), (85, 808808), (88, 781235), (91, 755480), (101, 680680), (104, 661045), (110, 624988), (119, 577720), (130, 528836), (136, 505505), (140, 491062), (143, 480760), (154, 446420), (170, 404404), (182, 377740), (187, 367640), (202, 340340), (220, 312494), (221, 311080), (238, 288860), (260, 264418), (280, 245531), (286, 240380), (308, 223210), (340, 202202), (364, 188870), (374, 183820), (385, 178568), (404, 170170), (440, 156247), (442, 155540), (455, 151096), (476, 144430), (505, 136136), (520, 132209), (572, 120190), (595, 115544), (616, 111605), (680, 101101), (707, 97240), (715, 96152), (728, 94435), (748, 91910), (770, 89284), (808, 85085), (884, 77770), (910, 75548), (935, 73528), (952, 72215), (1001, 68680), (1010, 68068), (1105, 62216), (1111, 61880), (1144, 60095), (1190, 57772), (1309, 52520), (1313, 52360), (1414, 48620), (1430, 48076), (1496, 45955), (1540, 44642), (1547, 44440), (1717, 40040), (1768, 38885), (1820, 37774), (1870, 36764), (2002, 34340), (2020, 34034), (2210, 31108), (2222, 30940), (2380, 28886), (2431, 28280), (2618, 26260), (2626, 26180), (2828, 24310), (2860, 24038), (3080, 22321), (3094, 22220), (3434, 20020), (3535, 19448), (3640, 18887), (3740, 18382), (4004, 17170), (4040, 17017), (4420, 15554), (4444, 15470), (4760, 14443), (4862, 14140), (5005, 13736), (5236, 13130), (5252, 13090), (5555, 12376), (5656, 12155), (5720, 12019), (6188, 11110), (6545, 10504), (6565, 10472), (6868, 10010), (7070, 9724), (7480, 9191), (7735, 8888), (7777, 8840), (8008, 8585)]