180221760

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:455

約数の個数: 280

約数和(自身を含む): 680450760

約数和(自身を除く): 500229000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 324, 340, 360, 405, 408, 409, 432, 459, 480, 510, 540, 544, 576, 612, 648, 680, 720, 765, 810, 816, 818, 864, 918, 960, 1020, 1080, 1088, 1224, 1227, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1636, 1728, 1836, 2040, 2045, 2160, 2295, 2448, 2454, 2592, 2720, 2754, 2880, 3060, 3240, 3264, 3272, 3672, 3681, 4080, 4090, 4320, 4590, 4896, 4908, 5184, 5440, 5508, 6120, 6135, 6480, 6544, 6885, 6953, 7344, 7362, 8160, 8180, 8640, 9180, 9792, 9816, 11016, 11043, 12240, 12270, 12960, 13088, 13770, 13906, 14688, 14724, 16320, 16360, 18360, 18405, 19632, 20859, 22032, 22086, 24480, 24540, 25920, 26176, 27540, 27812, 29376, 29448, 32720, 33129, 34765, 36720, 36810, 39264, 41718, 44064, 44172, 48960, 49080, 55080, 55215, 55624, 58896, 62577, 65440, 66258, 69530, 73440, 73620, 78528, 83436, 88128, 88344, 98160, 104295, 110160, 110430, 111248, 117792, 125154, 130880, 132516, 139060, 146880, 147240, 165645, 166872, 176688, 187731, 196320, 208590, 220320, 220860, 222496, 235584, 250308, 265032, 278120, 294480, 312885, 331290, 333744, 353376, 375462, 392640, 417180, 440640, 441720, 444992, 500616, 530064, 556240, 563193, 588960, 625770, 662580, 667488, 706752, 750924, 834360, 883440, 938655, 1001232, 1060128, 1112480, 1126386, 1177920, 1251540, 1325160, 1334976, 1501848, 1668720, 1766880, 1877310, 2002464, 2120256, 2224960, 2252772, 2503080, 2650320, 2815965, 3003696, 3337440, 3533760, 3754620, 4004928, 4505544, 5006160, 5300640, 5631930, 6007392, 6674880, 7509240, 9011088, 10012320, 10601280, 11263860, 12014784, 15018480, 18022176, 20024640, 22527720, 30036960, 36044352, 45055440, 60073920, 90110880, 180221760]

約数ペア:

[(1, 180221760), (2, 90110880), (3, 60073920), (4, 45055440), (5, 36044352), (6, 30036960), (8, 22527720), (9, 20024640), (10, 18022176), (12, 15018480), (15, 12014784), (16, 11263860), (17, 10601280), (18, 10012320), (20, 9011088), (24, 7509240), (27, 6674880), (30, 6007392), (32, 5631930), (34, 5300640), (36, 5006160), (40, 4505544), (45, 4004928), (48, 3754620), (51, 3533760), (54, 3337440), (60, 3003696), (64, 2815965), (68, 2650320), (72, 2503080), (80, 2252772), (81, 2224960), (85, 2120256), (90, 2002464), (96, 1877310), (102, 1766880), (108, 1668720), (120, 1501848), (135, 1334976), (136, 1325160), (144, 1251540), (153, 1177920), (160, 1126386), (162, 1112480), (170, 1060128), (180, 1001232), (192, 938655), (204, 883440), (216, 834360), (240, 750924), (255, 706752), (270, 667488), (272, 662580), (288, 625770), (306, 588960), (320, 563193), (324, 556240), (340, 530064), (360, 500616), (405, 444992), (408, 441720), (409, 440640), (432, 417180), (459, 392640), (480, 375462), (510, 353376), (540, 333744), (544, 331290), (576, 312885), (612, 294480), (648, 278120), (680, 265032), (720, 250308), (765, 235584), (810, 222496), (816, 220860), (818, 220320), (864, 208590), (918, 196320), (960, 187731), (1020, 176688), (1080, 166872), (1088, 165645), (1224, 147240), (1227, 146880), (1296, 139060), (1360, 132516), (1377, 130880), (1440, 125154), (1530, 117792), (1620, 111248), (1632, 110430), (1636, 110160), (1728, 104295), (1836, 98160), (2040, 88344), (2045, 88128), (2160, 83436), (2295, 78528), (2448, 73620), (2454, 73440), (2592, 69530), (2720, 66258), (2754, 65440), (2880, 62577), (3060, 58896), (3240, 55624), (3264, 55215), (3272, 55080), (3672, 49080), (3681, 48960), (4080, 44172), (4090, 44064), (4320, 41718), (4590, 39264), (4896, 36810), (4908, 36720), (5184, 34765), (5440, 33129), (5508, 32720), (6120, 29448), (6135, 29376), (6480, 27812), (6544, 27540), (6885, 26176), (6953, 25920), (7344, 24540), (7362, 24480), (8160, 22086), (8180, 22032), (8640, 20859), (9180, 19632), (9792, 18405), (9816, 18360), (11016, 16360), (11043, 16320), (12240, 14724), (12270, 14688), (12960, 13906), (13088, 13770)]