218916720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:372

約数の個数: 240

約数和(自身を含む): 811983744

約数和(自身を除く): 593067024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 131, 132, 144, 165, 176, 180, 198, 211, 220, 240, 262, 264, 330, 360, 393, 396, 422, 440, 495, 524, 528, 633, 655, 660, 720, 786, 792, 844, 880, 990, 1048, 1055, 1179, 1266, 1310, 1320, 1441, 1572, 1584, 1688, 1899, 1965, 1980, 2096, 2110, 2321, 2358, 2532, 2620, 2640, 2882, 3144, 3165, 3376, 3798, 3930, 3960, 4220, 4323, 4642, 4716, 5064, 5240, 5764, 5895, 6288, 6330, 6963, 7205, 7596, 7860, 7920, 8440, 8646, 9284, 9432, 9495, 10128, 10480, 11528, 11605, 11790, 12660, 12969, 13926, 14410, 15192, 15720, 16880, 17292, 18568, 18864, 18990, 20889, 21615, 23056, 23210, 23580, 25320, 25938, 27641, 27852, 28820, 30384, 31440, 34584, 34815, 37136, 37980, 41778, 43230, 46420, 47160, 50640, 51876, 55282, 55704, 57640, 64845, 69168, 69630, 75960, 82923, 83556, 86460, 92840, 94320, 103752, 104445, 110564, 111408, 115280, 129690, 138205, 139260, 151920, 165846, 167112, 172920, 185680, 207504, 208890, 221128, 248769, 259380, 276410, 278520, 304051, 331692, 334224, 345840, 414615, 417780, 442256, 497538, 518760, 552820, 557040, 608102, 663384, 829230, 835560, 912153, 995076, 1037520, 1105640, 1216204, 1243845, 1326768, 1520255, 1658460, 1671120, 1824306, 1990152, 2211280, 2432408, 2487690, 2736459, 3040510, 3316920, 3648612, 3980304, 4560765, 4864816, 4975380, 5472918, 6081020, 6633840, 7297224, 9121530, 9950760, 10945836, 12162040, 13682295, 14594448, 18243060, 19901520, 21891672, 24324080, 27364590, 36486120, 43783344, 54729180, 72972240, 109458360, 218916720]

約数ペア:

[(1, 218916720), (2, 109458360), (3, 72972240), (4, 54729180), (5, 43783344), (6, 36486120), (8, 27364590), (9, 24324080), (10, 21891672), (11, 19901520), (12, 18243060), (15, 14594448), (16, 13682295), (18, 12162040), (20, 10945836), (22, 9950760), (24, 9121530), (30, 7297224), (33, 6633840), (36, 6081020), (40, 5472918), (44, 4975380), (45, 4864816), (48, 4560765), (55, 3980304), (60, 3648612), (66, 3316920), (72, 3040510), (80, 2736459), (88, 2487690), (90, 2432408), (99, 2211280), (110, 1990152), (120, 1824306), (131, 1671120), (132, 1658460), (144, 1520255), (165, 1326768), (176, 1243845), (180, 1216204), (198, 1105640), (211, 1037520), (220, 995076), (240, 912153), (262, 835560), (264, 829230), (330, 663384), (360, 608102), (393, 557040), (396, 552820), (422, 518760), (440, 497538), (495, 442256), (524, 417780), (528, 414615), (633, 345840), (655, 334224), (660, 331692), (720, 304051), (786, 278520), (792, 276410), (844, 259380), (880, 248769), (990, 221128), (1048, 208890), (1055, 207504), (1179, 185680), (1266, 172920), (1310, 167112), (1320, 165846), (1441, 151920), (1572, 139260), (1584, 138205), (1688, 129690), (1899, 115280), (1965, 111408), (1980, 110564), (2096, 104445), (2110, 103752), (2321, 94320), (2358, 92840), (2532, 86460), (2620, 83556), (2640, 82923), (2882, 75960), (3144, 69630), (3165, 69168), (3376, 64845), (3798, 57640), (3930, 55704), (3960, 55282), (4220, 51876), (4323, 50640), (4642, 47160), (4716, 46420), (5064, 43230), (5240, 41778), (5764, 37980), (5895, 37136), (6288, 34815), (6330, 34584), (6963, 31440), (7205, 30384), (7596, 28820), (7860, 27852), (7920, 27641), (8440, 25938), (8646, 25320), (9284, 23580), (9432, 23210), (9495, 23056), (10128, 21615), (10480, 20889), (11528, 18990), (11605, 18864), (11790, 18568), (12660, 17292), (12969, 16880), (13926, 15720), (14410, 15192)]