254978460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 216

約数和(自身を含む): 888844320

約数和(自身を除く): 633865860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 121, 132, 138, 165, 180, 198, 207, 220, 230, 242, 253, 276, 330, 345, 363, 396, 414, 460, 484, 495, 506, 509, 605, 660, 690, 726, 759, 828, 990, 1012, 1018, 1035, 1089, 1210, 1265, 1380, 1452, 1518, 1527, 1815, 1980, 2036, 2070, 2178, 2277, 2420, 2530, 2545, 2783, 3036, 3054, 3630, 3795, 4140, 4356, 4554, 4581, 5060, 5090, 5445, 5566, 5599, 6108, 7260, 7590, 7635, 8349, 9108, 9162, 10180, 10890, 11132, 11198, 11385, 11707, 13915, 15180, 15270, 16698, 16797, 18324, 21780, 22396, 22770, 22905, 23414, 25047, 27830, 27995, 30540, 33396, 33594, 35121, 41745, 45540, 45810, 46828, 50094, 50391, 55660, 55990, 58535, 61589, 67188, 70242, 83490, 83985, 91620, 100188, 100782, 105363, 111980, 117070, 123178, 125235, 128777, 140484, 166980, 167970, 175605, 184767, 201564, 210726, 234140, 246356, 250470, 251955, 257554, 307945, 335940, 351210, 369534, 386331, 421452, 500940, 503910, 515108, 526815, 554301, 615890, 643885, 702420, 739068, 772662, 923835, 1007820, 1053630, 1108602, 1158993, 1231780, 1287770, 1416547, 1545324, 1847670, 1931655, 2107260, 2217204, 2317986, 2575540, 2771505, 2833094, 3695340, 3863310, 4249641, 4635972, 5543010, 5666188, 5794965, 7082735, 7726620, 8499282, 11086020, 11589930, 12748923, 14165470, 16998564, 21248205, 23179860, 25497846, 28330940, 42496410, 50995692, 63744615, 84992820, 127489230, 254978460]

約数ペア:

[(1, 254978460), (2, 127489230), (3, 84992820), (4, 63744615), (5, 50995692), (6, 42496410), (9, 28330940), (10, 25497846), (11, 23179860), (12, 21248205), (15, 16998564), (18, 14165470), (20, 12748923), (22, 11589930), (23, 11086020), (30, 8499282), (33, 7726620), (36, 7082735), (44, 5794965), (45, 5666188), (46, 5543010), (55, 4635972), (60, 4249641), (66, 3863310), (69, 3695340), (90, 2833094), (92, 2771505), (99, 2575540), (110, 2317986), (115, 2217204), (121, 2107260), (132, 1931655), (138, 1847670), (165, 1545324), (180, 1416547), (198, 1287770), (207, 1231780), (220, 1158993), (230, 1108602), (242, 1053630), (253, 1007820), (276, 923835), (330, 772662), (345, 739068), (363, 702420), (396, 643885), (414, 615890), (460, 554301), (484, 526815), (495, 515108), (506, 503910), (509, 500940), (605, 421452), (660, 386331), (690, 369534), (726, 351210), (759, 335940), (828, 307945), (990, 257554), (1012, 251955), (1018, 250470), (1035, 246356), (1089, 234140), (1210, 210726), (1265, 201564), (1380, 184767), (1452, 175605), (1518, 167970), (1527, 166980), (1815, 140484), (1980, 128777), (2036, 125235), (2070, 123178), (2178, 117070), (2277, 111980), (2420, 105363), (2530, 100782), (2545, 100188), (2783, 91620), (3036, 83985), (3054, 83490), (3630, 70242), (3795, 67188), (4140, 61589), (4356, 58535), (4554, 55990), (4581, 55660), (5060, 50391), (5090, 50094), (5445, 46828), (5566, 45810), (5599, 45540), (6108, 41745), (7260, 35121), (7590, 33594), (7635, 33396), (8349, 30540), (9108, 27995), (9162, 27830), (10180, 25047), (10890, 23414), (11132, 22905), (11198, 22770), (11385, 22396), (11707, 21780), (13915, 18324), (15180, 16797), (15270, 16698)]