21236795280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{18539}}^1$

素因数の和:18638

約数の個数: 240

約数和(自身を含む): 74955291840

約数和(自身を除く): 53718496560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 43, 45, 48, 60, 72, 74, 80, 86, 90, 111, 120, 129, 144, 148, 172, 180, 185, 215, 222, 240, 258, 296, 333, 344, 360, 370, 387, 430, 444, 516, 555, 592, 645, 666, 688, 720, 740, 774, 860, 888, 1032, 1110, 1290, 1332, 1480, 1548, 1591, 1665, 1720, 1776, 1935, 2064, 2220, 2580, 2664, 2960, 3096, 3182, 3330, 3440, 3870, 4440, 4773, 5160, 5328, 6192, 6364, 6660, 7740, 7955, 8880, 9546, 10320, 12728, 13320, 14319, 15480, 15910, 18539, 19092, 23865, 25456, 26640, 28638, 30960, 31820, 37078, 38184, 47730, 55617, 57276, 63640, 71595, 74156, 76368, 92695, 95460, 111234, 114552, 127280, 143190, 148312, 166851, 185390, 190920, 222468, 229104, 278085, 286380, 296624, 333702, 370780, 381840, 444936, 556170, 572760, 667404, 685943, 741560, 797177, 834255, 889872, 1112340, 1145520, 1334808, 1371886, 1483120, 1594354, 1668510, 2057829, 2224680, 2391531, 2669616, 2743772, 3188708, 3337020, 3429715, 3985885, 4115658, 4449360, 4783062, 5487544, 6173487, 6377416, 6674040, 6859430, 7174593, 7971770, 8231316, 9566124, 10289145, 10975088, 11957655, 12346974, 12754832, 13348080, 13718860, 14349186, 15943540, 16462632, 19132248, 20578290, 23915310, 24693948, 27437720, 28698372, 29495549, 30867435, 31887080, 32925264, 35872965, 38264496, 41156580, 47830620, 49387896, 54875440, 57396744, 58991098, 61734870, 63774160, 71745930, 82313160, 88486647, 95661240, 98775792, 114793488, 117982196, 123469740, 143491860, 147477745, 164626320, 176973294, 191322480, 235964392, 246939480, 265459941, 286983720, 294955490, 353946588, 442433235, 471928784, 493878960, 530919882, 573967440, 589910980, 707893176, 884866470, 1061839764, 1179821960, 1327299705, 1415786352, 1769732940, 2123679528, 2359643920, 2654599410, 3539465880, 4247359056, 5309198820, 7078931760, 10618397640, 21236795280]

約数ペア:

[(1, 21236795280), (2, 10618397640), (3, 7078931760), (4, 5309198820), (5, 4247359056), (6, 3539465880), (8, 2654599410), (9, 2359643920), (10, 2123679528), (12, 1769732940), (15, 1415786352), (16, 1327299705), (18, 1179821960), (20, 1061839764), (24, 884866470), (30, 707893176), (36, 589910980), (37, 573967440), (40, 530919882), (43, 493878960), (45, 471928784), (48, 442433235), (60, 353946588), (72, 294955490), (74, 286983720), (80, 265459941), (86, 246939480), (90, 235964392), (111, 191322480), (120, 176973294), (129, 164626320), (144, 147477745), (148, 143491860), (172, 123469740), (180, 117982196), (185, 114793488), (215, 98775792), (222, 95661240), (240, 88486647), (258, 82313160), (296, 71745930), (333, 63774160), (344, 61734870), (360, 58991098), (370, 57396744), (387, 54875440), (430, 49387896), (444, 47830620), (516, 41156580), (555, 38264496), (592, 35872965), (645, 32925264), (666, 31887080), (688, 30867435), (720, 29495549), (740, 28698372), (774, 27437720), (860, 24693948), (888, 23915310), (1032, 20578290), (1110, 19132248), (1290, 16462632), (1332, 15943540), (1480, 14349186), (1548, 13718860), (1591, 13348080), (1665, 12754832), (1720, 12346974), (1776, 11957655), (1935, 10975088), (2064, 10289145), (2220, 9566124), (2580, 8231316), (2664, 7971770), (2960, 7174593), (3096, 6859430), (3182, 6674040), (3330, 6377416), (3440, 6173487), (3870, 5487544), (4440, 4783062), (4773, 4449360), (5160, 4115658), (5328, 3985885), (6192, 3429715), (6364, 3337020), (6660, 3188708), (7740, 2743772), (7955, 2669616), (8880, 2391531), (9546, 2224680), (10320, 2057829), (12728, 1668510), (13320, 1594354), (14319, 1483120), (15480, 1371886), (15910, 1334808), (18539, 1145520), (19092, 1112340), (23865, 889872), (25456, 834255), (26640, 797177), (28638, 741560), (30960, 685943), (31820, 667404), (37078, 572760), (38184, 556170), (47730, 444936), (55617, 381840), (57276, 370780), (63640, 333702), (71595, 296624), (74156, 286380), (76368, 278085), (92695, 229104), (95460, 222468), (111234, 190920), (114552, 185390), (127280, 166851), (143190, 148312)]