321894720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{2281}}^1$

素因数の和:2318

約数の個数: 252

約数和(自身を含む): 1288513044

約数和(自身を除く): 966618324

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2240, 2281, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4562, 4704, 5040, 5880, 6720, 6843, 7056, 7840, 8820, 9124, 9408, 10080, 11405, 11760, 13686, 14112, 15680, 15967, 17640, 18248, 20160, 20529, 22810, 23520, 27372, 28224, 31934, 34215, 35280, 36496, 41058, 45620, 47040, 47901, 54744, 63868, 68430, 70560, 72992, 79835, 82116, 91240, 95802, 102645, 109488, 111769, 127736, 136860, 141120, 143703, 145984, 159670, 164232, 182480, 191604, 205290, 218976, 223538, 239505, 255472, 273720, 287406, 319340, 328464, 335307, 364960, 383208, 410580, 437952, 447076, 479010, 510944, 547440, 558845, 574812, 638680, 656928, 670614, 718515, 729920, 766416, 821160, 894152, 958020, 1005921, 1021888, 1094880, 1117690, 1149624, 1277360, 1313856, 1341228, 1437030, 1532832, 1642320, 1676535, 1788304, 1916040, 2011842, 2189760, 2235380, 2299248, 2554720, 2682456, 2874060, 3065664, 3284640, 3353070, 3576608, 3832080, 4023684, 4470760, 4598496, 5029605, 5109440, 5364912, 5748120, 6569280, 6706140, 7153216, 7664160, 8047368, 8941520, 9196992, 10059210, 10729824, 11496240, 13412280, 15328320, 16094736, 17883040, 20118420, 21459648, 22992480, 26824560, 32189472, 35766080, 40236840, 45984960, 53649120, 64378944, 80473680, 107298240, 160947360, 321894720]

約数ペア:

[(1, 321894720), (2, 160947360), (3, 107298240), (4, 80473680), (5, 64378944), (6, 53649120), (7, 45984960), (8, 40236840), (9, 35766080), (10, 32189472), (12, 26824560), (14, 22992480), (15, 21459648), (16, 20118420), (18, 17883040), (20, 16094736), (21, 15328320), (24, 13412280), (28, 11496240), (30, 10729824), (32, 10059210), (35, 9196992), (36, 8941520), (40, 8047368), (42, 7664160), (45, 7153216), (48, 6706140), (49, 6569280), (56, 5748120), (60, 5364912), (63, 5109440), (64, 5029605), (70, 4598496), (72, 4470760), (80, 4023684), (84, 3832080), (90, 3576608), (96, 3353070), (98, 3284640), (105, 3065664), (112, 2874060), (120, 2682456), (126, 2554720), (140, 2299248), (144, 2235380), (147, 2189760), (160, 2011842), (168, 1916040), (180, 1788304), (192, 1676535), (196, 1642320), (210, 1532832), (224, 1437030), (240, 1341228), (245, 1313856), (252, 1277360), (280, 1149624), (288, 1117690), (294, 1094880), (315, 1021888), (320, 1005921), (336, 958020), (360, 894152), (392, 821160), (420, 766416), (441, 729920), (448, 718515), (480, 670614), (490, 656928), (504, 638680), (560, 574812), (576, 558845), (588, 547440), (630, 510944), (672, 479010), (720, 447076), (735, 437952), (784, 410580), (840, 383208), (882, 364960), (960, 335307), (980, 328464), (1008, 319340), (1120, 287406), (1176, 273720), (1260, 255472), (1344, 239505), (1440, 223538), (1470, 218976), (1568, 205290), (1680, 191604), (1764, 182480), (1960, 164232), (2016, 159670), (2205, 145984), (2240, 143703), (2281, 141120), (2352, 136860), (2520, 127736), (2880, 111769), (2940, 109488), (3136, 102645), (3360, 95802), (3528, 91240), (3920, 82116), (4032, 79835), (4410, 72992), (4562, 70560), (4704, 68430), (5040, 63868), (5880, 54744), (6720, 47901), (6843, 47040), (7056, 45620), (7840, 41058), (8820, 36496), (9124, 35280), (9408, 34215), (10080, 31934), (11405, 28224), (11760, 27372), (13686, 23520), (14112, 22810), (15680, 20529), (15967, 20160), (17640, 18248)]