318345720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:426

約数の個数: 256

約数和(自身を含む): 1204346880

約数和(自身を除く): 886001160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 131, 132, 140, 154, 165, 168, 210, 220, 231, 262, 263, 264, 280, 308, 330, 385, 393, 420, 440, 462, 524, 526, 616, 655, 660, 770, 786, 789, 840, 917, 924, 1048, 1052, 1155, 1310, 1315, 1320, 1441, 1540, 1572, 1578, 1834, 1841, 1848, 1965, 2104, 2310, 2620, 2630, 2751, 2882, 2893, 3080, 3144, 3156, 3668, 3682, 3930, 3945, 4323, 4585, 4620, 5240, 5260, 5502, 5523, 5764, 5786, 6312, 7205, 7336, 7364, 7860, 7890, 8646, 8679, 9170, 9205, 9240, 10087, 10520, 11004, 11046, 11528, 11572, 13755, 14410, 14465, 14728, 15720, 15780, 17292, 17358, 18340, 18410, 20174, 20251, 21615, 22008, 22092, 23144, 27510, 27615, 28820, 28930, 30261, 31560, 34453, 34584, 34716, 36680, 36820, 40348, 40502, 43230, 43395, 44184, 50435, 55020, 55230, 57640, 57860, 60522, 60753, 68906, 69432, 73640, 80696, 81004, 86460, 86790, 100870, 101255, 103359, 110040, 110460, 115720, 121044, 121506, 137812, 151305, 162008, 172265, 172920, 173580, 201740, 202510, 206718, 220920, 241171, 242088, 243012, 275624, 302610, 303765, 344530, 347160, 378983, 403480, 405020, 413436, 482342, 486024, 516795, 605220, 607530, 689060, 723513, 757966, 810040, 826872, 964684, 1033590, 1136949, 1205855, 1210440, 1215060, 1378120, 1447026, 1515932, 1894915, 1929368, 2067180, 2273898, 2411710, 2430120, 2652881, 2894052, 3031864, 3617565, 3789830, 4134360, 4547796, 4823420, 5305762, 5684745, 5788104, 7235130, 7579660, 7958643, 9095592, 9646840, 10611524, 11369490, 13264405, 14470260, 15159320, 15917286, 21223048, 22738980, 26528810, 28940520, 31834572, 39793215, 45477960, 53057620, 63669144, 79586430, 106115240, 159172860, 318345720]

約数ペア:

[(1, 318345720), (2, 159172860), (3, 106115240), (4, 79586430), (5, 63669144), (6, 53057620), (7, 45477960), (8, 39793215), (10, 31834572), (11, 28940520), (12, 26528810), (14, 22738980), (15, 21223048), (20, 15917286), (21, 15159320), (22, 14470260), (24, 13264405), (28, 11369490), (30, 10611524), (33, 9646840), (35, 9095592), (40, 7958643), (42, 7579660), (44, 7235130), (55, 5788104), (56, 5684745), (60, 5305762), (66, 4823420), (70, 4547796), (77, 4134360), (84, 3789830), (88, 3617565), (105, 3031864), (110, 2894052), (120, 2652881), (131, 2430120), (132, 2411710), (140, 2273898), (154, 2067180), (165, 1929368), (168, 1894915), (210, 1515932), (220, 1447026), (231, 1378120), (262, 1215060), (263, 1210440), (264, 1205855), (280, 1136949), (308, 1033590), (330, 964684), (385, 826872), (393, 810040), (420, 757966), (440, 723513), (462, 689060), (524, 607530), (526, 605220), (616, 516795), (655, 486024), (660, 482342), (770, 413436), (786, 405020), (789, 403480), (840, 378983), (917, 347160), (924, 344530), (1048, 303765), (1052, 302610), (1155, 275624), (1310, 243012), (1315, 242088), (1320, 241171), (1441, 220920), (1540, 206718), (1572, 202510), (1578, 201740), (1834, 173580), (1841, 172920), (1848, 172265), (1965, 162008), (2104, 151305), (2310, 137812), (2620, 121506), (2630, 121044), (2751, 115720), (2882, 110460), (2893, 110040), (3080, 103359), (3144, 101255), (3156, 100870), (3668, 86790), (3682, 86460), (3930, 81004), (3945, 80696), (4323, 73640), (4585, 69432), (4620, 68906), (5240, 60753), (5260, 60522), (5502, 57860), (5523, 57640), (5764, 55230), (5786, 55020), (6312, 50435), (7205, 44184), (7336, 43395), (7364, 43230), (7860, 40502), (7890, 40348), (8646, 36820), (8679, 36680), (9170, 34716), (9205, 34584), (9240, 34453), (10087, 31560), (10520, 30261), (11004, 28930), (11046, 28820), (11528, 27615), (11572, 27510), (13755, 23144), (14410, 22092), (14465, 22008), (14728, 21615), (15720, 20251), (15780, 20174), (17292, 18410), (17358, 18340)]