68399240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 256

約数和(自身を含む): 212889600

約数和(自身を除く): 144490360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 23, 26, 28, 35, 38, 40, 43, 46, 52, 56, 65, 70, 76, 86, 91, 92, 95, 104, 115, 130, 133, 140, 152, 161, 172, 182, 184, 190, 215, 230, 247, 260, 266, 280, 299, 301, 322, 344, 364, 380, 430, 437, 455, 460, 494, 520, 532, 559, 598, 602, 644, 665, 728, 760, 805, 817, 860, 874, 910, 920, 988, 989, 1064, 1118, 1196, 1204, 1235, 1288, 1330, 1495, 1505, 1610, 1634, 1720, 1729, 1748, 1820, 1976, 1978, 2093, 2185, 2236, 2392, 2408, 2470, 2660, 2795, 2990, 3010, 3059, 3220, 3268, 3458, 3496, 3640, 3913, 3956, 4085, 4186, 4370, 4472, 4940, 4945, 5320, 5590, 5681, 5719, 5980, 6020, 6118, 6440, 6536, 6916, 6923, 7826, 7912, 8170, 8372, 8645, 8740, 9880, 9890, 10465, 10621, 11180, 11362, 11438, 11960, 12040, 12236, 12857, 13832, 13846, 15295, 15652, 16340, 16744, 17290, 17480, 18791, 19565, 19780, 20930, 21242, 22360, 22724, 22876, 24472, 25714, 27692, 28405, 28595, 30590, 31304, 32680, 34580, 34615, 37582, 39130, 39560, 39767, 41860, 42484, 45448, 45752, 51428, 53105, 55384, 56810, 57190, 61180, 64285, 69160, 69230, 74347, 75164, 78260, 79534, 83720, 84968, 89999, 93955, 102856, 106210, 113620, 114380, 122360, 128570, 131537, 138460, 148694, 150328, 156520, 159068, 179998, 187910, 198835, 212420, 227240, 228760, 244283, 257140, 263074, 276920, 297388, 318136, 359996, 371735, 375820, 397670, 424840, 449995, 488566, 514280, 526148, 594776, 657685, 719992, 743470, 751640, 795340, 899990, 977132, 1052296, 1221415, 1315370, 1486940, 1590680, 1709981, 1799980, 1954264, 2442830, 2630740, 2973880, 3419962, 3599960, 4885660, 5261480, 6839924, 8549905, 9771320, 13679848, 17099810, 34199620, 68399240]

約数ペア:

[(1, 68399240), (2, 34199620), (4, 17099810), (5, 13679848), (7, 9771320), (8, 8549905), (10, 6839924), (13, 5261480), (14, 4885660), (19, 3599960), (20, 3419962), (23, 2973880), (26, 2630740), (28, 2442830), (35, 1954264), (38, 1799980), (40, 1709981), (43, 1590680), (46, 1486940), (52, 1315370), (56, 1221415), (65, 1052296), (70, 977132), (76, 899990), (86, 795340), (91, 751640), (92, 743470), (95, 719992), (104, 657685), (115, 594776), (130, 526148), (133, 514280), (140, 488566), (152, 449995), (161, 424840), (172, 397670), (182, 375820), (184, 371735), (190, 359996), (215, 318136), (230, 297388), (247, 276920), (260, 263074), (266, 257140), (280, 244283), (299, 228760), (301, 227240), (322, 212420), (344, 198835), (364, 187910), (380, 179998), (430, 159068), (437, 156520), (455, 150328), (460, 148694), (494, 138460), (520, 131537), (532, 128570), (559, 122360), (598, 114380), (602, 113620), (644, 106210), (665, 102856), (728, 93955), (760, 89999), (805, 84968), (817, 83720), (860, 79534), (874, 78260), (910, 75164), (920, 74347), (988, 69230), (989, 69160), (1064, 64285), (1118, 61180), (1196, 57190), (1204, 56810), (1235, 55384), (1288, 53105), (1330, 51428), (1495, 45752), (1505, 45448), (1610, 42484), (1634, 41860), (1720, 39767), (1729, 39560), (1748, 39130), (1820, 37582), (1976, 34615), (1978, 34580), (2093, 32680), (2185, 31304), (2236, 30590), (2392, 28595), (2408, 28405), (2470, 27692), (2660, 25714), (2795, 24472), (2990, 22876), (3010, 22724), (3059, 22360), (3220, 21242), (3268, 20930), (3458, 19780), (3496, 19565), (3640, 18791), (3913, 17480), (3956, 17290), (4085, 16744), (4186, 16340), (4370, 15652), (4472, 15295), (4940, 13846), (4945, 13832), (5320, 12857), (5590, 12236), (5681, 12040), (5719, 11960), (5980, 11438), (6020, 11362), (6118, 11180), (6440, 10621), (6536, 10465), (6916, 9890), (6923, 9880), (7826, 8740), (7912, 8645), (8170, 8372)]