254176440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 256

約数和(自身を含む): 924549120

約数和(自身を除く): 670372680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 43, 56, 60, 62, 70, 84, 86, 93, 105, 120, 124, 129, 140, 155, 168, 172, 186, 210, 215, 217, 227, 248, 258, 280, 301, 310, 344, 372, 420, 430, 434, 454, 465, 516, 602, 620, 645, 651, 681, 744, 840, 860, 868, 903, 908, 930, 1032, 1085, 1135, 1204, 1240, 1290, 1302, 1333, 1362, 1505, 1589, 1720, 1736, 1806, 1816, 1860, 2170, 2270, 2408, 2580, 2604, 2666, 2724, 3010, 3178, 3255, 3405, 3612, 3720, 3999, 4340, 4515, 4540, 4767, 5160, 5208, 5332, 5448, 6020, 6356, 6510, 6665, 6810, 7037, 7224, 7945, 7998, 8680, 9030, 9080, 9331, 9534, 9761, 10664, 12040, 12712, 13020, 13330, 13620, 14074, 15890, 15996, 18060, 18662, 19068, 19522, 19995, 21111, 23835, 26040, 26660, 27240, 27993, 28148, 29283, 31780, 31992, 35185, 36120, 37324, 38136, 39044, 39990, 42222, 46655, 47670, 48805, 49259, 53320, 55986, 56296, 58566, 63560, 68327, 70370, 74648, 78088, 79980, 84444, 93310, 95340, 97610, 98518, 105555, 111972, 117132, 136654, 139965, 140740, 146415, 147777, 159960, 168888, 186620, 190680, 195220, 197036, 204981, 211110, 223944, 234264, 246295, 273308, 279930, 281480, 292830, 295554, 302591, 341635, 373240, 390440, 394072, 409962, 422220, 492590, 546616, 559860, 585660, 591108, 605182, 683270, 738885, 819924, 844440, 907773, 985180, 1024905, 1119720, 1171320, 1182216, 1210364, 1366540, 1477770, 1512955, 1639848, 1815546, 1970360, 2049810, 2118137, 2420728, 2733080, 2955540, 3025910, 3631092, 4099620, 4236274, 4538865, 5911080, 6051820, 6354411, 7262184, 8199240, 8472548, 9077730, 10590685, 12103640, 12708822, 16945096, 18155460, 21181370, 25417644, 31772055, 36310920, 42362740, 50835288, 63544110, 84725480, 127088220, 254176440]

約数ペア:

[(1, 254176440), (2, 127088220), (3, 84725480), (4, 63544110), (5, 50835288), (6, 42362740), (7, 36310920), (8, 31772055), (10, 25417644), (12, 21181370), (14, 18155460), (15, 16945096), (20, 12708822), (21, 12103640), (24, 10590685), (28, 9077730), (30, 8472548), (31, 8199240), (35, 7262184), (40, 6354411), (42, 6051820), (43, 5911080), (56, 4538865), (60, 4236274), (62, 4099620), (70, 3631092), (84, 3025910), (86, 2955540), (93, 2733080), (105, 2420728), (120, 2118137), (124, 2049810), (129, 1970360), (140, 1815546), (155, 1639848), (168, 1512955), (172, 1477770), (186, 1366540), (210, 1210364), (215, 1182216), (217, 1171320), (227, 1119720), (248, 1024905), (258, 985180), (280, 907773), (301, 844440), (310, 819924), (344, 738885), (372, 683270), (420, 605182), (430, 591108), (434, 585660), (454, 559860), (465, 546616), (516, 492590), (602, 422220), (620, 409962), (645, 394072), (651, 390440), (681, 373240), (744, 341635), (840, 302591), (860, 295554), (868, 292830), (903, 281480), (908, 279930), (930, 273308), (1032, 246295), (1085, 234264), (1135, 223944), (1204, 211110), (1240, 204981), (1290, 197036), (1302, 195220), (1333, 190680), (1362, 186620), (1505, 168888), (1589, 159960), (1720, 147777), (1736, 146415), (1806, 140740), (1816, 139965), (1860, 136654), (2170, 117132), (2270, 111972), (2408, 105555), (2580, 98518), (2604, 97610), (2666, 95340), (2724, 93310), (3010, 84444), (3178, 79980), (3255, 78088), (3405, 74648), (3612, 70370), (3720, 68327), (3999, 63560), (4340, 58566), (4515, 56296), (4540, 55986), (4767, 53320), (5160, 49259), (5208, 48805), (5332, 47670), (5448, 46655), (6020, 42222), (6356, 39990), (6510, 39044), (6665, 38136), (6810, 37324), (7037, 36120), (7224, 35185), (7945, 31992), (7998, 31780), (8680, 29283), (9030, 28148), (9080, 27993), (9331, 27240), (9534, 26660), (9761, 26040), (10664, 23835), (12040, 21111), (12712, 19995), (13020, 19522), (13330, 19068), (13620, 18662), (14074, 18060), (15890, 15996)]