256155480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1151

約数の個数: 256

約数和(自身を含む): 1008230400

約数和(自身を除く): 752074920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 744, 756, 837, 840, 868, 930, 945, 1080, 1085, 1093, 1116, 1240, 1260, 1302, 1395, 1512, 1674, 1736, 1860, 1890, 1953, 2170, 2186, 2232, 2520, 2604, 2790, 3255, 3279, 3348, 3720, 3780, 3906, 4185, 4340, 4372, 5208, 5465, 5580, 5859, 6510, 6558, 6696, 7560, 7651, 7812, 8370, 8680, 8744, 9765, 9837, 10930, 11160, 11718, 13020, 13116, 15302, 15624, 16395, 16740, 19530, 19674, 21860, 22953, 23436, 26040, 26232, 29295, 29511, 30604, 32790, 33480, 33883, 38255, 39060, 39348, 43720, 45906, 46872, 49185, 58590, 59022, 61208, 65580, 67766, 68859, 76510, 78120, 78696, 91812, 98370, 101649, 114765, 117180, 118044, 131160, 135532, 137718, 147555, 153020, 169415, 183624, 196740, 203298, 206577, 229530, 234360, 236088, 237181, 271064, 275436, 295110, 304947, 306040, 338830, 344295, 393480, 406596, 413154, 459060, 474362, 508245, 550872, 590220, 609894, 677660, 688590, 711543, 813192, 826308, 914841, 918120, 948724, 1016490, 1032885, 1180440, 1185905, 1219788, 1355320, 1377180, 1423086, 1524735, 1652616, 1829682, 1897448, 2032980, 2065770, 2134629, 2371810, 2439576, 2754360, 2846172, 3049470, 3557715, 3659364, 4065960, 4131540, 4269258, 4574205, 4743620, 5692344, 6098940, 6403887, 7115430, 7318728, 8263080, 8538516, 9148410, 9487240, 10673145, 12197880, 12807774, 14230860, 17077032, 18296820, 21346290, 25615548, 28461720, 32019435, 36593640, 42692580, 51231096, 64038870, 85385160, 128077740, 256155480]

約数ペア:

[(1, 256155480), (2, 128077740), (3, 85385160), (4, 64038870), (5, 51231096), (6, 42692580), (7, 36593640), (8, 32019435), (9, 28461720), (10, 25615548), (12, 21346290), (14, 18296820), (15, 17077032), (18, 14230860), (20, 12807774), (21, 12197880), (24, 10673145), (27, 9487240), (28, 9148410), (30, 8538516), (31, 8263080), (35, 7318728), (36, 7115430), (40, 6403887), (42, 6098940), (45, 5692344), (54, 4743620), (56, 4574205), (60, 4269258), (62, 4131540), (63, 4065960), (70, 3659364), (72, 3557715), (84, 3049470), (90, 2846172), (93, 2754360), (105, 2439576), (108, 2371810), (120, 2134629), (124, 2065770), (126, 2032980), (135, 1897448), (140, 1829682), (155, 1652616), (168, 1524735), (180, 1423086), (186, 1377180), (189, 1355320), (210, 1219788), (216, 1185905), (217, 1180440), (248, 1032885), (252, 1016490), (270, 948724), (279, 918120), (280, 914841), (310, 826308), (315, 813192), (360, 711543), (372, 688590), (378, 677660), (420, 609894), (434, 590220), (465, 550872), (504, 508245), (540, 474362), (558, 459060), (620, 413154), (630, 406596), (651, 393480), (744, 344295), (756, 338830), (837, 306040), (840, 304947), (868, 295110), (930, 275436), (945, 271064), (1080, 237181), (1085, 236088), (1093, 234360), (1116, 229530), (1240, 206577), (1260, 203298), (1302, 196740), (1395, 183624), (1512, 169415), (1674, 153020), (1736, 147555), (1860, 137718), (1890, 135532), (1953, 131160), (2170, 118044), (2186, 117180), (2232, 114765), (2520, 101649), (2604, 98370), (2790, 91812), (3255, 78696), (3279, 78120), (3348, 76510), (3720, 68859), (3780, 67766), (3906, 65580), (4185, 61208), (4340, 59022), (4372, 58590), (5208, 49185), (5465, 46872), (5580, 45906), (5859, 43720), (6510, 39348), (6558, 39060), (6696, 38255), (7560, 33883), (7651, 33480), (7812, 32790), (8370, 30604), (8680, 29511), (8744, 29295), (9765, 26232), (9837, 26040), (10930, 23436), (11160, 22953), (11718, 21860), (13020, 19674), (13116, 19530), (15302, 16740), (15624, 16395)]