1220212512

素因数分解:

$2^5\times 3^4\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:261

約数の個数: 240

約数和(自身を含む): 3732220800

約数和(自身を除く): 2512008288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 59, 72, 79, 81, 96, 101, 108, 118, 144, 158, 162, 177, 202, 216, 236, 237, 288, 303, 316, 324, 354, 404, 432, 472, 474, 531, 606, 632, 648, 708, 711, 808, 864, 909, 944, 948, 1062, 1212, 1264, 1296, 1416, 1422, 1593, 1616, 1818, 1888, 1896, 2124, 2133, 2424, 2528, 2592, 2727, 2832, 2844, 3186, 3232, 3636, 3792, 4248, 4266, 4661, 4779, 4848, 5454, 5664, 5688, 5959, 6372, 6399, 7272, 7584, 7979, 8181, 8496, 8532, 9322, 9558, 9696, 10908, 11376, 11918, 12744, 12798, 13983, 14544, 15958, 16362, 16992, 17064, 17877, 18644, 19116, 21816, 22752, 23836, 23937, 25488, 25596, 27966, 29088, 31916, 32724, 34128, 35754, 37288, 38232, 41949, 43632, 47672, 47874, 50976, 51192, 53631, 55932, 63832, 65448, 68256, 71508, 71811, 74576, 76464, 83898, 87264, 95344, 95748, 102384, 107262, 111864, 125847, 127664, 130896, 143016, 143622, 149152, 152928, 160893, 167796, 190688, 191496, 204768, 214524, 215433, 223728, 251694, 255328, 261792, 286032, 287244, 321786, 335592, 377541, 382992, 429048, 430866, 447456, 470761, 482679, 503388, 572064, 574488, 643572, 646299, 671184, 755082, 765984, 858096, 861732, 941522, 965358, 1006776, 1148976, 1287144, 1292598, 1342368, 1412283, 1510164, 1716192, 1723464, 1883044, 1930716, 2013552, 2297952, 2574288, 2585196, 2824566, 3020328, 3446928, 3766088, 3861432, 4027104, 4236849, 5148576, 5170392, 5649132, 6040656, 6893856, 7532176, 7722864, 8473698, 10340784, 11298264, 12081312, 12710547, 15064352, 15445728, 16947396, 20681568, 22596528, 25421094, 33894792, 38131641, 45193056, 50842188, 67789584, 76263282, 101684376, 135579168, 152526564, 203368752, 305053128, 406737504, 610106256, 1220212512]

約数ペア:

[(1, 1220212512), (2, 610106256), (3, 406737504), (4, 305053128), (6, 203368752), (8, 152526564), (9, 135579168), (12, 101684376), (16, 76263282), (18, 67789584), (24, 50842188), (27, 45193056), (32, 38131641), (36, 33894792), (48, 25421094), (54, 22596528), (59, 20681568), (72, 16947396), (79, 15445728), (81, 15064352), (96, 12710547), (101, 12081312), (108, 11298264), (118, 10340784), (144, 8473698), (158, 7722864), (162, 7532176), (177, 6893856), (202, 6040656), (216, 5649132), (236, 5170392), (237, 5148576), (288, 4236849), (303, 4027104), (316, 3861432), (324, 3766088), (354, 3446928), (404, 3020328), (432, 2824566), (472, 2585196), (474, 2574288), (531, 2297952), (606, 2013552), (632, 1930716), (648, 1883044), (708, 1723464), (711, 1716192), (808, 1510164), (864, 1412283), (909, 1342368), (944, 1292598), (948, 1287144), (1062, 1148976), (1212, 1006776), (1264, 965358), (1296, 941522), (1416, 861732), (1422, 858096), (1593, 765984), (1616, 755082), (1818, 671184), (1888, 646299), (1896, 643572), (2124, 574488), (2133, 572064), (2424, 503388), (2528, 482679), (2592, 470761), (2727, 447456), (2832, 430866), (2844, 429048), (3186, 382992), (3232, 377541), (3636, 335592), (3792, 321786), (4248, 287244), (4266, 286032), (4661, 261792), (4779, 255328), (4848, 251694), (5454, 223728), (5664, 215433), (5688, 214524), (5959, 204768), (6372, 191496), (6399, 190688), (7272, 167796), (7584, 160893), (7979, 152928), (8181, 149152), (8496, 143622), (8532, 143016), (9322, 130896), (9558, 127664), (9696, 125847), (10908, 111864), (11376, 107262), (11918, 102384), (12744, 95748), (12798, 95344), (13983, 87264), (14544, 83898), (15958, 76464), (16362, 74576), (16992, 71811), (17064, 71508), (17877, 68256), (18644, 65448), (19116, 63832), (21816, 55932), (22752, 53631), (23836, 51192), (23937, 50976), (25488, 47874), (25596, 47672), (27966, 43632), (29088, 41949), (31916, 38232), (32724, 37288), (34128, 35754)]