68407080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 256

約数和(自身を含む): 252149760

約数和(自身を除く): 183742680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 37, 40, 42, 56, 60, 62, 70, 71, 74, 84, 93, 105, 111, 120, 124, 140, 142, 148, 155, 168, 185, 186, 210, 213, 217, 222, 248, 259, 280, 284, 296, 310, 355, 370, 372, 420, 426, 434, 444, 465, 497, 518, 555, 568, 620, 651, 710, 740, 744, 777, 840, 852, 868, 888, 930, 994, 1036, 1065, 1085, 1110, 1147, 1240, 1295, 1302, 1420, 1480, 1491, 1554, 1704, 1736, 1860, 1988, 2072, 2130, 2170, 2201, 2220, 2294, 2485, 2590, 2604, 2627, 2840, 2982, 3108, 3255, 3441, 3720, 3885, 3976, 4260, 4340, 4402, 4440, 4588, 4970, 5180, 5208, 5254, 5735, 5964, 6216, 6510, 6603, 6882, 7455, 7770, 7881, 8029, 8520, 8680, 8804, 9176, 9940, 10360, 10508, 11005, 11470, 11928, 13020, 13135, 13206, 13764, 14910, 15407, 15540, 15762, 16058, 17205, 17608, 18389, 19880, 21016, 22010, 22940, 24087, 26040, 26270, 26412, 27528, 29820, 30814, 31080, 31524, 32116, 33015, 34410, 36778, 39405, 40145, 44020, 45880, 46221, 48174, 52540, 52824, 55167, 59640, 61628, 63048, 64232, 66030, 68820, 73556, 77035, 78810, 80290, 81437, 88040, 91945, 92442, 96348, 105080, 110334, 120435, 123256, 132060, 137640, 147112, 154070, 157620, 160580, 162874, 183890, 184884, 192696, 220668, 231105, 240870, 244311, 264120, 275835, 308140, 315240, 321160, 325748, 367780, 369768, 407185, 441336, 462210, 481740, 488622, 551670, 570059, 616280, 651496, 735560, 814370, 924420, 963480, 977244, 1103340, 1140118, 1221555, 1628740, 1710177, 1848840, 1954488, 2206680, 2280236, 2443110, 2850295, 3257480, 3420354, 4560472, 4886220, 5700590, 6840708, 8550885, 9772440, 11401180, 13681416, 17101770, 22802360, 34203540, 68407080]

約数ペア:

[(1, 68407080), (2, 34203540), (3, 22802360), (4, 17101770), (5, 13681416), (6, 11401180), (7, 9772440), (8, 8550885), (10, 6840708), (12, 5700590), (14, 4886220), (15, 4560472), (20, 3420354), (21, 3257480), (24, 2850295), (28, 2443110), (30, 2280236), (31, 2206680), (35, 1954488), (37, 1848840), (40, 1710177), (42, 1628740), (56, 1221555), (60, 1140118), (62, 1103340), (70, 977244), (71, 963480), (74, 924420), (84, 814370), (93, 735560), (105, 651496), (111, 616280), (120, 570059), (124, 551670), (140, 488622), (142, 481740), (148, 462210), (155, 441336), (168, 407185), (185, 369768), (186, 367780), (210, 325748), (213, 321160), (217, 315240), (222, 308140), (248, 275835), (259, 264120), (280, 244311), (284, 240870), (296, 231105), (310, 220668), (355, 192696), (370, 184884), (372, 183890), (420, 162874), (426, 160580), (434, 157620), (444, 154070), (465, 147112), (497, 137640), (518, 132060), (555, 123256), (568, 120435), (620, 110334), (651, 105080), (710, 96348), (740, 92442), (744, 91945), (777, 88040), (840, 81437), (852, 80290), (868, 78810), (888, 77035), (930, 73556), (994, 68820), (1036, 66030), (1065, 64232), (1085, 63048), (1110, 61628), (1147, 59640), (1240, 55167), (1295, 52824), (1302, 52540), (1420, 48174), (1480, 46221), (1491, 45880), (1554, 44020), (1704, 40145), (1736, 39405), (1860, 36778), (1988, 34410), (2072, 33015), (2130, 32116), (2170, 31524), (2201, 31080), (2220, 30814), (2294, 29820), (2485, 27528), (2590, 26412), (2604, 26270), (2627, 26040), (2840, 24087), (2982, 22940), (3108, 22010), (3255, 21016), (3441, 19880), (3720, 18389), (3885, 17608), (3976, 17205), (4260, 16058), (4340, 15762), (4402, 15540), (4440, 15407), (4588, 14910), (4970, 13764), (5180, 13206), (5208, 13135), (5254, 13020), (5735, 11928), (5964, 11470), (6216, 11005), (6510, 10508), (6603, 10360), (6882, 9940), (7455, 9176), (7770, 8804), (7881, 8680), (8029, 8520)]