68000240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 213736320

約数和(自身を除く): 145736080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 80, 83, 88, 95, 98, 110, 112, 133, 140, 152, 154, 166, 176, 190, 196, 209, 220, 245, 266, 280, 304, 308, 332, 380, 385, 392, 415, 418, 440, 490, 532, 539, 560, 581, 616, 664, 665, 760, 770, 784, 830, 836, 880, 913, 931, 980, 1045, 1064, 1078, 1162, 1232, 1328, 1330, 1463, 1520, 1540, 1577, 1660, 1672, 1826, 1862, 1960, 2090, 2128, 2156, 2324, 2660, 2695, 2905, 2926, 3080, 3154, 3320, 3344, 3652, 3724, 3920, 4067, 4180, 4312, 4565, 4648, 4655, 5320, 5390, 5810, 5852, 6160, 6308, 6391, 6640, 7304, 7315, 7448, 7885, 8134, 8360, 8624, 9130, 9296, 9310, 10241, 10640, 10780, 11039, 11620, 11704, 12616, 12782, 14608, 14630, 14896, 15770, 16268, 16720, 17347, 18260, 18620, 20335, 20482, 21560, 22078, 23240, 23408, 25232, 25564, 29260, 31540, 31955, 32536, 34694, 36520, 37240, 40670, 40964, 43120, 44156, 44737, 46480, 51128, 51205, 55195, 58520, 63080, 63910, 65072, 69388, 73040, 74480, 77273, 81340, 81928, 86735, 88312, 89474, 102256, 102410, 110390, 117040, 121429, 126160, 127820, 138776, 154546, 162680, 163856, 173470, 176624, 178948, 204820, 220780, 223685, 242858, 255640, 277552, 309092, 325360, 346940, 357896, 386365, 409640, 441560, 447370, 485716, 511280, 607145, 618184, 693880, 715792, 772730, 819280, 850003, 883120, 894740, 971432, 1214290, 1236368, 1387760, 1545460, 1700006, 1789480, 1942864, 2428580, 3090920, 3400012, 3578960, 4250015, 4857160, 6181840, 6800024, 8500030, 9714320, 13600048, 17000060, 34000120, 68000240]

約数ペア:

[(1, 68000240), (2, 34000120), (4, 17000060), (5, 13600048), (7, 9714320), (8, 8500030), (10, 6800024), (11, 6181840), (14, 4857160), (16, 4250015), (19, 3578960), (20, 3400012), (22, 3090920), (28, 2428580), (35, 1942864), (38, 1789480), (40, 1700006), (44, 1545460), (49, 1387760), (55, 1236368), (56, 1214290), (70, 971432), (76, 894740), (77, 883120), (80, 850003), (83, 819280), (88, 772730), (95, 715792), (98, 693880), (110, 618184), (112, 607145), (133, 511280), (140, 485716), (152, 447370), (154, 441560), (166, 409640), (176, 386365), (190, 357896), (196, 346940), (209, 325360), (220, 309092), (245, 277552), (266, 255640), (280, 242858), (304, 223685), (308, 220780), (332, 204820), (380, 178948), (385, 176624), (392, 173470), (415, 163856), (418, 162680), (440, 154546), (490, 138776), (532, 127820), (539, 126160), (560, 121429), (581, 117040), (616, 110390), (664, 102410), (665, 102256), (760, 89474), (770, 88312), (784, 86735), (830, 81928), (836, 81340), (880, 77273), (913, 74480), (931, 73040), (980, 69388), (1045, 65072), (1064, 63910), (1078, 63080), (1162, 58520), (1232, 55195), (1328, 51205), (1330, 51128), (1463, 46480), (1520, 44737), (1540, 44156), (1577, 43120), (1660, 40964), (1672, 40670), (1826, 37240), (1862, 36520), (1960, 34694), (2090, 32536), (2128, 31955), (2156, 31540), (2324, 29260), (2660, 25564), (2695, 25232), (2905, 23408), (2926, 23240), (3080, 22078), (3154, 21560), (3320, 20482), (3344, 20335), (3652, 18620), (3724, 18260), (3920, 17347), (4067, 16720), (4180, 16268), (4312, 15770), (4565, 14896), (4648, 14630), (4655, 14608), (5320, 12782), (5390, 12616), (5810, 11704), (5852, 11620), (6160, 11039), (6308, 10780), (6391, 10640), (6640, 10241), (7304, 9310), (7315, 9296), (7448, 9130), (7885, 8624), (8134, 8360)]