257095440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1759}}^1$

素因数の和:1814

約数の個数: 240

約数和(自身を含む): 1021363200

約数和(自身を除く): 764267760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 105, 112, 116, 120, 126, 140, 144, 145, 168, 174, 180, 203, 210, 232, 240, 252, 261, 280, 290, 315, 336, 348, 360, 406, 420, 435, 464, 504, 522, 560, 580, 609, 630, 696, 720, 812, 840, 870, 1008, 1015, 1044, 1160, 1218, 1260, 1305, 1392, 1624, 1680, 1740, 1759, 1827, 2030, 2088, 2320, 2436, 2520, 2610, 3045, 3248, 3480, 3518, 3654, 4060, 4176, 4872, 5040, 5220, 5277, 6090, 6960, 7036, 7308, 8120, 8795, 9135, 9744, 10440, 10554, 12180, 12313, 14072, 14616, 15831, 16240, 17590, 18270, 20880, 21108, 24360, 24626, 26385, 28144, 29232, 31662, 35180, 36540, 36939, 42216, 48720, 49252, 51011, 52770, 61565, 63324, 70360, 73080, 73878, 79155, 84432, 98504, 102022, 105540, 110817, 123130, 126648, 140720, 146160, 147756, 153033, 158310, 184695, 197008, 204044, 211080, 221634, 246260, 253296, 255055, 295512, 306066, 316620, 357077, 369390, 408088, 422160, 443268, 459099, 492520, 510110, 554085, 591024, 612132, 633240, 714154, 738780, 765165, 816176, 886536, 918198, 985040, 1020220, 1071231, 1108170, 1224264, 1266480, 1428308, 1477560, 1530330, 1773072, 1785385, 1836396, 2040440, 2142462, 2216340, 2295495, 2448528, 2856616, 2955120, 3060660, 3213693, 3570770, 3672792, 4080880, 4284924, 4432680, 4590990, 5356155, 5713232, 6121320, 6427386, 7141540, 7345584, 8569848, 8865360, 9181980, 10712310, 12242640, 12854772, 14283080, 16068465, 17139696, 18363960, 21424620, 25709544, 28566160, 32136930, 36727920, 42849240, 51419088, 64273860, 85698480, 128547720, 257095440]

約数ペア:

[(1, 257095440), (2, 128547720), (3, 85698480), (4, 64273860), (5, 51419088), (6, 42849240), (7, 36727920), (8, 32136930), (9, 28566160), (10, 25709544), (12, 21424620), (14, 18363960), (15, 17139696), (16, 16068465), (18, 14283080), (20, 12854772), (21, 12242640), (24, 10712310), (28, 9181980), (29, 8865360), (30, 8569848), (35, 7345584), (36, 7141540), (40, 6427386), (42, 6121320), (45, 5713232), (48, 5356155), (56, 4590990), (58, 4432680), (60, 4284924), (63, 4080880), (70, 3672792), (72, 3570770), (80, 3213693), (84, 3060660), (87, 2955120), (90, 2856616), (105, 2448528), (112, 2295495), (116, 2216340), (120, 2142462), (126, 2040440), (140, 1836396), (144, 1785385), (145, 1773072), (168, 1530330), (174, 1477560), (180, 1428308), (203, 1266480), (210, 1224264), (232, 1108170), (240, 1071231), (252, 1020220), (261, 985040), (280, 918198), (290, 886536), (315, 816176), (336, 765165), (348, 738780), (360, 714154), (406, 633240), (420, 612132), (435, 591024), (464, 554085), (504, 510110), (522, 492520), (560, 459099), (580, 443268), (609, 422160), (630, 408088), (696, 369390), (720, 357077), (812, 316620), (840, 306066), (870, 295512), (1008, 255055), (1015, 253296), (1044, 246260), (1160, 221634), (1218, 211080), (1260, 204044), (1305, 197008), (1392, 184695), (1624, 158310), (1680, 153033), (1740, 147756), (1759, 146160), (1827, 140720), (2030, 126648), (2088, 123130), (2320, 110817), (2436, 105540), (2520, 102022), (2610, 98504), (3045, 84432), (3248, 79155), (3480, 73878), (3518, 73080), (3654, 70360), (4060, 63324), (4176, 61565), (4872, 52770), (5040, 51011), (5220, 49252), (5277, 48720), (6090, 42216), (6960, 36939), (7036, 36540), (7308, 35180), (8120, 31662), (8795, 29232), (9135, 28144), (9744, 26385), (10440, 24626), (10554, 24360), (12180, 21108), (12313, 20880), (14072, 18270), (14616, 17590), (15831, 16240)]