20778844320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65293}}^1$

素因数の和:65344

約数の個数: 288

約数和(自身を含む): 80855388432

約数和(自身を除く): 60076544112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 117, 120, 130, 136, 144, 153, 156, 160, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 288, 306, 312, 340, 360, 390, 408, 416, 442, 468, 480, 510, 520, 544, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1248, 1326, 1360, 1440, 1530, 1560, 1632, 1768, 1872, 1989, 2040, 2080, 2210, 2340, 2448, 2652, 2720, 3060, 3120, 3315, 3536, 3744, 3978, 4080, 4420, 4680, 4896, 5304, 6120, 6240, 6630, 7072, 7956, 8160, 8840, 9360, 9945, 10608, 12240, 13260, 15912, 17680, 18720, 19890, 21216, 24480, 26520, 31824, 35360, 39780, 53040, 63648, 65293, 79560, 106080, 130586, 159120, 195879, 261172, 318240, 326465, 391758, 522344, 587637, 652930, 783516, 848809, 979395, 1044688, 1109981, 1175274, 1305860, 1567032, 1697618, 1958790, 2089376, 2219962, 2350548, 2546427, 2611720, 2938185, 3134064, 3329943, 3395236, 3917580, 4244045, 4439924, 4701096, 5092854, 5223440, 5549905, 5876370, 6268128, 6659886, 6790472, 7639281, 7835160, 8488090, 8879848, 9402192, 9989829, 10185708, 10446880, 11099810, 11752740, 12732135, 13319772, 13580944, 14429753, 15278562, 15670320, 16649715, 16976180, 17759696, 18804384, 19979658, 20371416, 22199620, 23505480, 25464270, 26639544, 27161888, 28859506, 30557124, 31340640, 33299430, 33952360, 35519392, 38196405, 39959316, 40742832, 43289259, 44399240, 47010960, 49949145, 50928540, 53279088, 57719012, 61114248, 66598860, 67904720, 72148765, 76392810, 79918632, 81485664, 86578518, 88798480, 94021920, 99898290, 101857080, 106558176, 115438024, 122228496, 129867777, 133197720, 135809440, 144297530, 152785620, 159837264, 173157036, 177596960, 199796580, 203714160, 216446295, 230876048, 244456992, 259735554, 266395440, 288595060, 305571240, 319674528, 346314072, 399593160, 407428320, 432892590, 461752096, 519471108, 532790880, 577190120, 611142480, 649338885, 692628144, 799186320, 865785180, 1038942216, 1154380240, 1222284960, 1298677770, 1385256288, 1598372640, 1731570360, 2077884432, 2308760480, 2597355540, 3463140720, 4155768864, 5194711080, 6926281440, 10389422160, 20778844320]

約数ペア:

[(1, 20778844320), (2, 10389422160), (3, 6926281440), (4, 5194711080), (5, 4155768864), (6, 3463140720), (8, 2597355540), (9, 2308760480), (10, 2077884432), (12, 1731570360), (13, 1598372640), (15, 1385256288), (16, 1298677770), (17, 1222284960), (18, 1154380240), (20, 1038942216), (24, 865785180), (26, 799186320), (30, 692628144), (32, 649338885), (34, 611142480), (36, 577190120), (39, 532790880), (40, 519471108), (45, 461752096), (48, 432892590), (51, 407428320), (52, 399593160), (60, 346314072), (65, 319674528), (68, 305571240), (72, 288595060), (78, 266395440), (80, 259735554), (85, 244456992), (90, 230876048), (96, 216446295), (102, 203714160), (104, 199796580), (117, 177596960), (120, 173157036), (130, 159837264), (136, 152785620), (144, 144297530), (153, 135809440), (156, 133197720), (160, 129867777), (170, 122228496), (180, 115438024), (195, 106558176), (204, 101857080), (208, 99898290), (221, 94021920), (234, 88798480), (240, 86578518), (255, 81485664), (260, 79918632), (272, 76392810), (288, 72148765), (306, 67904720), (312, 66598860), (340, 61114248), (360, 57719012), (390, 53279088), (408, 50928540), (416, 49949145), (442, 47010960), (468, 44399240), (480, 43289259), (510, 40742832), (520, 39959316), (544, 38196405), (585, 35519392), (612, 33952360), (624, 33299430), (663, 31340640), (680, 30557124), (720, 28859506), (765, 27161888), (780, 26639544), (816, 25464270), (884, 23505480), (936, 22199620), (1020, 20371416), (1040, 19979658), (1105, 18804384), (1170, 17759696), (1224, 16976180), (1248, 16649715), (1326, 15670320), (1360, 15278562), (1440, 14429753), (1530, 13580944), (1560, 13319772), (1632, 12732135), (1768, 11752740), (1872, 11099810), (1989, 10446880), (2040, 10185708), (2080, 9989829), (2210, 9402192), (2340, 8879848), (2448, 8488090), (2652, 7835160), (2720, 7639281), (3060, 6790472), (3120, 6659886), (3315, 6268128), (3536, 5876370), (3744, 5549905), (3978, 5223440), (4080, 5092854), (4420, 4701096), (4680, 4439924), (4896, 4244045), (5304, 3917580), (6120, 3395236), (6240, 3329943), (6630, 3134064), (7072, 2938185), (7956, 2611720), (8160, 2546427), (8840, 2350548), (9360, 2219962), (9945, 2089376), (10608, 1958790), (12240, 1697618), (13260, 1567032), (15912, 1305860), (17680, 1175274), (18720, 1109981), (19890, 1044688), (21216, 979395), (24480, 848809), (26520, 783516), (31824, 652930), (35360, 587637), (39780, 522344), (53040, 391758), (63648, 326465), (65293, 318240), (79560, 261172), (106080, 195879), (130586, 159120)]