80428320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 288

約数和(自身を含む): 320785920

約数和(自身を除く): 240357600

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, 56, 60, 63, 70, 72, 79, 80, 84, 90, 96, 101, 105, 112, 120, 126, 140, 144, 158, 160, 168, 180, 202, 210, 224, 237, 240, 252, 280, 288, 303, 315, 316, 336, 360, 395, 404, 420, 474, 480, 504, 505, 553, 560, 606, 630, 632, 672, 707, 711, 720, 790, 808, 840, 909, 948, 1008, 1010, 1106, 1120, 1185, 1212, 1260, 1264, 1414, 1422, 1440, 1515, 1580, 1616, 1659, 1680, 1818, 1896, 2016, 2020, 2121, 2212, 2370, 2424, 2520, 2528, 2765, 2828, 2844, 3030, 3160, 3232, 3318, 3360, 3535, 3555, 3636, 3792, 4040, 4242, 4424, 4545, 4740, 4848, 4977, 5040, 5530, 5656, 5688, 6060, 6320, 6363, 6636, 7070, 7110, 7272, 7584, 7979, 8080, 8295, 8484, 8848, 9090, 9480, 9696, 9954, 10080, 10605, 11060, 11312, 11376, 12120, 12640, 12726, 13272, 14140, 14220, 14544, 15958, 16160, 16590, 16968, 17696, 18180, 18960, 19908, 21210, 22120, 22624, 22752, 23937, 24240, 24885, 25452, 26544, 28280, 28440, 29088, 31815, 31916, 33180, 33936, 36360, 37920, 39816, 39895, 42420, 44240, 47874, 48480, 49770, 50904, 53088, 55853, 56560, 56880, 63630, 63832, 66360, 67872, 71811, 72720, 79632, 79790, 84840, 88480, 95748, 99540, 101808, 111706, 113120, 113760, 119685, 127260, 127664, 132720, 143622, 145440, 159264, 159580, 167559, 169680, 191496, 199080, 203616, 223412, 239370, 254520, 255328, 265440, 279265, 287244, 319160, 335118, 339360, 359055, 382992, 398160, 446824, 478740, 502677, 509040, 558530, 574488, 638320, 670236, 718110, 765984, 796320, 837795, 893648, 957480, 1005354, 1018080, 1117060, 1148976, 1276640, 1340472, 1436220, 1675590, 1787296, 1914960, 2010708, 2234120, 2297952, 2513385, 2680944, 2872440, 3351180, 3829920, 4021416, 4468240, 5026770, 5361888, 5744880, 6702360, 8042832, 8936480, 10053540, 11489760, 13404720, 16085664, 20107080, 26809440, 40214160, 80428320]

約数ペア:

[(1, 80428320), (2, 40214160), (3, 26809440), (4, 20107080), (5, 16085664), (6, 13404720), (7, 11489760), (8, 10053540), (9, 8936480), (10, 8042832), (12, 6702360), (14, 5744880), (15, 5361888), (16, 5026770), (18, 4468240), (20, 4021416), (21, 3829920), (24, 3351180), (28, 2872440), (30, 2680944), (32, 2513385), (35, 2297952), (36, 2234120), (40, 2010708), (42, 1914960), (45, 1787296), (48, 1675590), (56, 1436220), (60, 1340472), (63, 1276640), (70, 1148976), (72, 1117060), (79, 1018080), (80, 1005354), (84, 957480), (90, 893648), (96, 837795), (101, 796320), (105, 765984), (112, 718110), (120, 670236), (126, 638320), (140, 574488), (144, 558530), (158, 509040), (160, 502677), (168, 478740), (180, 446824), (202, 398160), (210, 382992), (224, 359055), (237, 339360), (240, 335118), (252, 319160), (280, 287244), (288, 279265), (303, 265440), (315, 255328), (316, 254520), (336, 239370), (360, 223412), (395, 203616), (404, 199080), (420, 191496), (474, 169680), (480, 167559), (504, 159580), (505, 159264), (553, 145440), (560, 143622), (606, 132720), (630, 127664), (632, 127260), (672, 119685), (707, 113760), (711, 113120), (720, 111706), (790, 101808), (808, 99540), (840, 95748), (909, 88480), (948, 84840), (1008, 79790), (1010, 79632), (1106, 72720), (1120, 71811), (1185, 67872), (1212, 66360), (1260, 63832), (1264, 63630), (1414, 56880), (1422, 56560), (1440, 55853), (1515, 53088), (1580, 50904), (1616, 49770), (1659, 48480), (1680, 47874), (1818, 44240), (1896, 42420), (2016, 39895), (2020, 39816), (2121, 37920), (2212, 36360), (2370, 33936), (2424, 33180), (2520, 31916), (2528, 31815), (2765, 29088), (2828, 28440), (2844, 28280), (3030, 26544), (3160, 25452), (3232, 24885), (3318, 24240), (3360, 23937), (3535, 22752), (3555, 22624), (3636, 22120), (3792, 21210), (4040, 19908), (4242, 18960), (4424, 18180), (4545, 17696), (4740, 16968), (4848, 16590), (4977, 16160), (5040, 15958), (5530, 14544), (5656, 14220), (5688, 14140), (6060, 13272), (6320, 12726), (6363, 12640), (6636, 12120), (7070, 11376), (7110, 11312), (7272, 11060), (7584, 10605), (7979, 10080), (8080, 9954), (8295, 9696), (8484, 9480), (8848, 9090)]