217966140

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 288

約数和(自身を含む): 807206400

約数和(自身を除く): 589240260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 81, 84, 86, 90, 105, 108, 126, 129, 135, 140, 149, 162, 172, 180, 189, 210, 215, 243, 252, 258, 270, 298, 301, 315, 324, 378, 387, 405, 420, 430, 447, 486, 516, 540, 567, 596, 602, 630, 645, 745, 756, 774, 810, 860, 894, 903, 945, 972, 1043, 1134, 1161, 1204, 1215, 1260, 1290, 1341, 1490, 1505, 1548, 1620, 1701, 1788, 1806, 1890, 1935, 2086, 2235, 2268, 2322, 2430, 2580, 2682, 2709, 2835, 2980, 3010, 3129, 3402, 3483, 3612, 3780, 3870, 4023, 4172, 4470, 4515, 4644, 4860, 5215, 5364, 5418, 5670, 5805, 6020, 6258, 6407, 6705, 6804, 6966, 7740, 8046, 8127, 8505, 8940, 9030, 9387, 10430, 10449, 10836, 11340, 11610, 12069, 12516, 12814, 13410, 13545, 13932, 15645, 16092, 16254, 17010, 17415, 18060, 18774, 19221, 20115, 20860, 20898, 23220, 24138, 24381, 25628, 26820, 27090, 28161, 31290, 32035, 32508, 34020, 34830, 36207, 37548, 38442, 40230, 40635, 41796, 44849, 46935, 48276, 48762, 52245, 54180, 56322, 57663, 60345, 62580, 64070, 69660, 72414, 73143, 76884, 80460, 81270, 84483, 89698, 93870, 96105, 97524, 104490, 112644, 115326, 120690, 121905, 128140, 134547, 140805, 144828, 146286, 162540, 168966, 172989, 179396, 181035, 187740, 192210, 208980, 224245, 230652, 241380, 243810, 253449, 269094, 281610, 288315, 292572, 337932, 345978, 362070, 365715, 384420, 403641, 422415, 448490, 487620, 506898, 518967, 538188, 563220, 576630, 672735, 691956, 724140, 731430, 807282, 844830, 864945, 896980, 1013796, 1037934, 1153260, 1210923, 1267245, 1345470, 1462860, 1556901, 1614564, 1689660, 1729890, 2018205, 2075868, 2421846, 2534490, 2594835, 2690940, 3113802, 3459780, 3632769, 4036410, 4843692, 5068980, 5189670, 6054615, 6227604, 7265538, 7784505, 8072820, 10379340, 10898307, 12109230, 14531076, 15569010, 18163845, 21796614, 24218460, 31138020, 36327690, 43593228, 54491535, 72655380, 108983070, 217966140]

約数ペア:

[(1, 217966140), (2, 108983070), (3, 72655380), (4, 54491535), (5, 43593228), (6, 36327690), (7, 31138020), (9, 24218460), (10, 21796614), (12, 18163845), (14, 15569010), (15, 14531076), (18, 12109230), (20, 10898307), (21, 10379340), (27, 8072820), (28, 7784505), (30, 7265538), (35, 6227604), (36, 6054615), (42, 5189670), (43, 5068980), (45, 4843692), (54, 4036410), (60, 3632769), (63, 3459780), (70, 3113802), (81, 2690940), (84, 2594835), (86, 2534490), (90, 2421846), (105, 2075868), (108, 2018205), (126, 1729890), (129, 1689660), (135, 1614564), (140, 1556901), (149, 1462860), (162, 1345470), (172, 1267245), (180, 1210923), (189, 1153260), (210, 1037934), (215, 1013796), (243, 896980), (252, 864945), (258, 844830), (270, 807282), (298, 731430), (301, 724140), (315, 691956), (324, 672735), (378, 576630), (387, 563220), (405, 538188), (420, 518967), (430, 506898), (447, 487620), (486, 448490), (516, 422415), (540, 403641), (567, 384420), (596, 365715), (602, 362070), (630, 345978), (645, 337932), (745, 292572), (756, 288315), (774, 281610), (810, 269094), (860, 253449), (894, 243810), (903, 241380), (945, 230652), (972, 224245), (1043, 208980), (1134, 192210), (1161, 187740), (1204, 181035), (1215, 179396), (1260, 172989), (1290, 168966), (1341, 162540), (1490, 146286), (1505, 144828), (1548, 140805), (1620, 134547), (1701, 128140), (1788, 121905), (1806, 120690), (1890, 115326), (1935, 112644), (2086, 104490), (2235, 97524), (2268, 96105), (2322, 93870), (2430, 89698), (2580, 84483), (2682, 81270), (2709, 80460), (2835, 76884), (2980, 73143), (3010, 72414), (3129, 69660), (3402, 64070), (3483, 62580), (3612, 60345), (3780, 57663), (3870, 56322), (4023, 54180), (4172, 52245), (4470, 48762), (4515, 48276), (4644, 46935), (4860, 44849), (5215, 41796), (5364, 40635), (5418, 40230), (5670, 38442), (5805, 37548), (6020, 36207), (6258, 34830), (6407, 34020), (6705, 32508), (6804, 32035), (6966, 31290), (7740, 28161), (8046, 27090), (8127, 26820), (8505, 25628), (8940, 24381), (9030, 24138), (9387, 23220), (10430, 20898), (10449, 20860), (10836, 20115), (11340, 19221), (11610, 18774), (12069, 18060), (12516, 17415), (12814, 17010), (13410, 16254), (13545, 16092), (13932, 15645)]