18514440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 256

約数和(自身を含む): 73728000

約数和(自身を除く): 55213560

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, 79, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 158, 168, 180, 186, 189, 210, 216, 217, 237, 248, 252, 270, 279, 280, 310, 315, 316, 360, 372, 378, 395, 420, 434, 465, 474, 504, 540, 553, 558, 620, 630, 632, 651, 711, 744, 756, 790, 837, 840, 868, 930, 945, 948, 1080, 1085, 1106, 1116, 1185, 1240, 1260, 1302, 1395, 1422, 1512, 1580, 1659, 1674, 1736, 1860, 1890, 1896, 1953, 2133, 2170, 2212, 2232, 2370, 2449, 2520, 2604, 2765, 2790, 2844, 3160, 3255, 3318, 3348, 3555, 3720, 3780, 3906, 4185, 4266, 4340, 4424, 4740, 4898, 4977, 5208, 5530, 5580, 5688, 5859, 6510, 6636, 6696, 7110, 7347, 7560, 7812, 8295, 8370, 8532, 8680, 9480, 9765, 9796, 9954, 10665, 11060, 11160, 11718, 12245, 13020, 13272, 14220, 14694, 14931, 15624, 16590, 16740, 17064, 17143, 19530, 19592, 19908, 21330, 22041, 22120, 23436, 24490, 24885, 26040, 28440, 29295, 29388, 29862, 33180, 33480, 34286, 36735, 39060, 39816, 42660, 44082, 46872, 48980, 49770, 51429, 58590, 58776, 59724, 66123, 66360, 68572, 73470, 74655, 78120, 85320, 85715, 88164, 97960, 99540, 102858, 110205, 117180, 119448, 132246, 137144, 146940, 149310, 154287, 171430, 176328, 199080, 205716, 220410, 234360, 257145, 264492, 293880, 298620, 308574, 330615, 342860, 411432, 440820, 462861, 514290, 528984, 597240, 617148, 661230, 685720, 771435, 881640, 925722, 1028580, 1234296, 1322460, 1542870, 1851444, 2057160, 2314305, 2644920, 3085740, 3702888, 4628610, 6171480, 9257220, 18514440]

約数ペア:

[(1, 18514440), (2, 9257220), (3, 6171480), (4, 4628610), (5, 3702888), (6, 3085740), (7, 2644920), (8, 2314305), (9, 2057160), (10, 1851444), (12, 1542870), (14, 1322460), (15, 1234296), (18, 1028580), (20, 925722), (21, 881640), (24, 771435), (27, 685720), (28, 661230), (30, 617148), (31, 597240), (35, 528984), (36, 514290), (40, 462861), (42, 440820), (45, 411432), (54, 342860), (56, 330615), (60, 308574), (62, 298620), (63, 293880), (70, 264492), (72, 257145), (79, 234360), (84, 220410), (90, 205716), (93, 199080), (105, 176328), (108, 171430), (120, 154287), (124, 149310), (126, 146940), (135, 137144), (140, 132246), (155, 119448), (158, 117180), (168, 110205), (180, 102858), (186, 99540), (189, 97960), (210, 88164), (216, 85715), (217, 85320), (237, 78120), (248, 74655), (252, 73470), (270, 68572), (279, 66360), (280, 66123), (310, 59724), (315, 58776), (316, 58590), (360, 51429), (372, 49770), (378, 48980), (395, 46872), (420, 44082), (434, 42660), (465, 39816), (474, 39060), (504, 36735), (540, 34286), (553, 33480), (558, 33180), (620, 29862), (630, 29388), (632, 29295), (651, 28440), (711, 26040), (744, 24885), (756, 24490), (790, 23436), (837, 22120), (840, 22041), (868, 21330), (930, 19908), (945, 19592), (948, 19530), (1080, 17143), (1085, 17064), (1106, 16740), (1116, 16590), (1185, 15624), (1240, 14931), (1260, 14694), (1302, 14220), (1395, 13272), (1422, 13020), (1512, 12245), (1580, 11718), (1659, 11160), (1674, 11060), (1736, 10665), (1860, 9954), (1890, 9796), (1896, 9765), (1953, 9480), (2133, 8680), (2170, 8532), (2212, 8370), (2232, 8295), (2370, 7812), (2449, 7560), (2520, 7347), (2604, 7110), (2765, 6696), (2790, 6636), (2844, 6510), (3160, 5859), (3255, 5688), (3318, 5580), (3348, 5530), (3555, 5208), (3720, 4977), (3780, 4898), (3906, 4740), (4185, 4424), (4266, 4340)]