644660640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{883}}^1$

素因数の和:933

約数の個数: 288

約数和(自身を含む): 2445992640

約数和(自身を除く): 1801332000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 169, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 338, 351, 360, 390, 416, 432, 468, 480, 507, 520, 540, 585, 624, 676, 702, 720, 780, 845, 864, 883, 936, 1014, 1040, 1080, 1170, 1248, 1352, 1404, 1440, 1521, 1560, 1690, 1755, 1766, 1872, 2028, 2080, 2160, 2340, 2535, 2649, 2704, 2808, 3042, 3120, 3380, 3510, 3532, 3744, 4056, 4320, 4415, 4563, 4680, 5070, 5298, 5408, 5616, 6084, 6240, 6760, 7020, 7064, 7605, 7947, 8112, 8830, 9126, 9360, 10140, 10596, 11232, 11479, 12168, 13245, 13520, 14040, 14128, 15210, 15894, 16224, 17660, 18252, 18720, 20280, 21192, 22815, 22958, 23841, 24336, 26490, 27040, 28080, 28256, 30420, 31788, 34437, 35320, 36504, 39735, 40560, 42384, 45630, 45916, 47682, 48672, 52980, 56160, 57395, 60840, 63576, 68874, 70640, 73008, 79470, 81120, 84768, 91260, 91832, 95364, 103311, 105960, 114790, 119205, 121680, 127152, 137748, 141280, 146016, 149227, 158940, 172185, 182520, 183664, 190728, 206622, 211920, 229580, 238410, 243360, 254304, 275496, 298454, 309933, 317880, 344370, 365040, 367328, 381456, 413244, 423840, 447681, 459160, 476820, 516555, 550992, 596908, 619866, 635760, 688740, 730080, 746135, 762912, 826488, 895362, 918320, 953640, 1033110, 1101984, 1193816, 1239732, 1271520, 1343043, 1377480, 1492270, 1549665, 1652976, 1790724, 1836640, 1907280, 2066220, 2238405, 2387632, 2479464, 2686086, 2754960, 2984540, 3099330, 3305952, 3581448, 3814560, 4029129, 4132440, 4476810, 4775264, 4958928, 5372172, 5509920, 5969080, 6198660, 6715215, 7162896, 8058258, 8264880, 8953620, 9917856, 10744344, 11938160, 12397320, 13430430, 14325792, 16116516, 16529760, 17907240, 20145645, 21488688, 23876320, 24794640, 26860860, 32233032, 35814480, 40291290, 42977376, 49589280, 53721720, 64466064, 71628960, 80582580, 107443440, 128932128, 161165160, 214886880, 322330320, 644660640]

約数ペア:

[(1, 644660640), (2, 322330320), (3, 214886880), (4, 161165160), (5, 128932128), (6, 107443440), (8, 80582580), (9, 71628960), (10, 64466064), (12, 53721720), (13, 49589280), (15, 42977376), (16, 40291290), (18, 35814480), (20, 32233032), (24, 26860860), (26, 24794640), (27, 23876320), (30, 21488688), (32, 20145645), (36, 17907240), (39, 16529760), (40, 16116516), (45, 14325792), (48, 13430430), (52, 12397320), (54, 11938160), (60, 10744344), (65, 9917856), (72, 8953620), (78, 8264880), (80, 8058258), (90, 7162896), (96, 6715215), (104, 6198660), (108, 5969080), (117, 5509920), (120, 5372172), (130, 4958928), (135, 4775264), (144, 4476810), (156, 4132440), (160, 4029129), (169, 3814560), (180, 3581448), (195, 3305952), (208, 3099330), (216, 2984540), (234, 2754960), (240, 2686086), (260, 2479464), (270, 2387632), (288, 2238405), (312, 2066220), (338, 1907280), (351, 1836640), (360, 1790724), (390, 1652976), (416, 1549665), (432, 1492270), (468, 1377480), (480, 1343043), (507, 1271520), (520, 1239732), (540, 1193816), (585, 1101984), (624, 1033110), (676, 953640), (702, 918320), (720, 895362), (780, 826488), (845, 762912), (864, 746135), (883, 730080), (936, 688740), (1014, 635760), (1040, 619866), (1080, 596908), (1170, 550992), (1248, 516555), (1352, 476820), (1404, 459160), (1440, 447681), (1521, 423840), (1560, 413244), (1690, 381456), (1755, 367328), (1766, 365040), (1872, 344370), (2028, 317880), (2080, 309933), (2160, 298454), (2340, 275496), (2535, 254304), (2649, 243360), (2704, 238410), (2808, 229580), (3042, 211920), (3120, 206622), (3380, 190728), (3510, 183664), (3532, 182520), (3744, 172185), (4056, 158940), (4320, 149227), (4415, 146016), (4563, 141280), (4680, 137748), (5070, 127152), (5298, 121680), (5408, 119205), (5616, 114790), (6084, 105960), (6240, 103311), (6760, 95364), (7020, 91832), (7064, 91260), (7605, 84768), (7947, 81120), (8112, 79470), (8830, 73008), (9126, 70640), (9360, 68874), (10140, 63576), (10596, 60840), (11232, 57395), (11479, 56160), (12168, 52980), (13245, 48672), (13520, 47682), (14040, 45916), (14128, 45630), (15210, 42384), (15894, 40560), (16224, 39735), (17660, 36504), (18252, 35320), (18720, 34437), (20280, 31788), (21192, 30420), (22815, 28256), (22958, 28080), (23841, 27040), (24336, 26490)]