19570320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 240

約数和(自身を含む): 82173312

約数和(自身を除く): 62602992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 353, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 706, 720, 770, 792, 840, 880, 924, 990, 1008, 1059, 1155, 1232, 1260, 1320, 1386, 1412, 1540, 1584, 1680, 1765, 1848, 1980, 2118, 2310, 2471, 2520, 2640, 2772, 2824, 3080, 3177, 3465, 3530, 3696, 3883, 3960, 4236, 4620, 4942, 5040, 5295, 5544, 5648, 6160, 6354, 6930, 7060, 7413, 7766, 7920, 8472, 9240, 9884, 10590, 11088, 11649, 12355, 12708, 13860, 14120, 14826, 15532, 15885, 16944, 18480, 19415, 19768, 21180, 22239, 23298, 24710, 25416, 27181, 27720, 28240, 29652, 31064, 31770, 34947, 37065, 38830, 39536, 42360, 44478, 46596, 49420, 50832, 54362, 55440, 58245, 59304, 62128, 63540, 69894, 74130, 77660, 81543, 84720, 88956, 93192, 98840, 108724, 111195, 116490, 118608, 127080, 135905, 139788, 148260, 155320, 163086, 174735, 177912, 186384, 197680, 217448, 222390, 232980, 244629, 254160, 271810, 279576, 296520, 310640, 326172, 349470, 355824, 407715, 434896, 444780, 465960, 489258, 543620, 559152, 593040, 652344, 698940, 815430, 889560, 931920, 978516, 1087240, 1223145, 1304688, 1397880, 1630860, 1779120, 1957032, 2174480, 2446290, 2795760, 3261720, 3914064, 4892580, 6523440, 9785160, 19570320]

約数ペア:

[(1, 19570320), (2, 9785160), (3, 6523440), (4, 4892580), (5, 3914064), (6, 3261720), (7, 2795760), (8, 2446290), (9, 2174480), (10, 1957032), (11, 1779120), (12, 1630860), (14, 1397880), (15, 1304688), (16, 1223145), (18, 1087240), (20, 978516), (21, 931920), (22, 889560), (24, 815430), (28, 698940), (30, 652344), (33, 593040), (35, 559152), (36, 543620), (40, 489258), (42, 465960), (44, 444780), (45, 434896), (48, 407715), (55, 355824), (56, 349470), (60, 326172), (63, 310640), (66, 296520), (70, 279576), (72, 271810), (77, 254160), (80, 244629), (84, 232980), (88, 222390), (90, 217448), (99, 197680), (105, 186384), (110, 177912), (112, 174735), (120, 163086), (126, 155320), (132, 148260), (140, 139788), (144, 135905), (154, 127080), (165, 118608), (168, 116490), (176, 111195), (180, 108724), (198, 98840), (210, 93192), (220, 88956), (231, 84720), (240, 81543), (252, 77660), (264, 74130), (280, 69894), (308, 63540), (315, 62128), (330, 59304), (336, 58245), (353, 55440), (360, 54362), (385, 50832), (396, 49420), (420, 46596), (440, 44478), (462, 42360), (495, 39536), (504, 38830), (528, 37065), (560, 34947), (616, 31770), (630, 31064), (660, 29652), (693, 28240), (706, 27720), (720, 27181), (770, 25416), (792, 24710), (840, 23298), (880, 22239), (924, 21180), (990, 19768), (1008, 19415), (1059, 18480), (1155, 16944), (1232, 15885), (1260, 15532), (1320, 14826), (1386, 14120), (1412, 13860), (1540, 12708), (1584, 12355), (1680, 11649), (1765, 11088), (1848, 10590), (1980, 9884), (2118, 9240), (2310, 8472), (2471, 7920), (2520, 7766), (2640, 7413), (2772, 7060), (2824, 6930), (3080, 6354), (3177, 6160), (3465, 5648), (3530, 5544), (3696, 5295), (3883, 5040), (3960, 4942), (4236, 4620)]