78981210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 256

約数和(自身を含む): 273715200

約数和(自身を除く): 194733990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 29, 30, 33, 35, 42, 45, 54, 55, 58, 63, 66, 70, 77, 87, 90, 99, 105, 110, 126, 131, 135, 145, 154, 165, 174, 189, 198, 203, 210, 231, 261, 262, 270, 290, 297, 315, 319, 330, 378, 385, 393, 406, 435, 462, 495, 522, 594, 609, 630, 638, 655, 693, 770, 783, 786, 870, 917, 945, 957, 990, 1015, 1155, 1179, 1218, 1305, 1310, 1386, 1441, 1485, 1566, 1595, 1827, 1834, 1890, 1914, 1965, 2030, 2079, 2233, 2310, 2358, 2610, 2751, 2871, 2882, 2970, 3045, 3190, 3465, 3537, 3654, 3799, 3915, 3930, 4158, 4323, 4466, 4585, 4785, 5481, 5502, 5742, 5895, 6090, 6699, 6930, 7074, 7205, 7598, 7830, 8253, 8613, 8646, 9135, 9170, 9570, 10087, 10395, 10962, 11165, 11397, 11790, 12969, 13398, 13755, 14355, 14410, 16506, 17226, 17685, 18270, 18995, 20097, 20174, 20790, 21615, 22330, 22794, 24759, 25938, 26593, 27405, 27510, 28710, 30261, 33495, 34191, 35370, 37990, 38907, 40194, 41265, 41789, 43065, 43230, 49518, 50435, 53186, 54810, 56985, 60291, 60522, 64845, 66990, 68382, 77814, 79779, 82530, 83578, 86130, 90783, 100485, 100870, 102573, 113970, 120582, 123795, 125367, 129690, 132965, 151305, 159558, 170955, 181566, 194535, 200970, 205146, 208945, 239337, 247590, 250734, 265930, 272349, 292523, 301455, 302610, 341910, 376101, 389070, 398895, 417890, 453915, 478674, 512865, 544698, 585046, 602910, 626835, 718011, 752202, 797790, 877569, 907830, 1025730, 1128303, 1196685, 1253670, 1361745, 1436022, 1462615, 1755138, 1880505, 2256606, 2393370, 2632707, 2723490, 2925230, 3590055, 3761010, 4387845, 5265414, 5641515, 7180110, 7898121, 8775690, 11283030, 13163535, 15796242, 26327070, 39490605, 78981210]

約数ペア:

[(1, 78981210), (2, 39490605), (3, 26327070), (5, 15796242), (6, 13163535), (7, 11283030), (9, 8775690), (10, 7898121), (11, 7180110), (14, 5641515), (15, 5265414), (18, 4387845), (21, 3761010), (22, 3590055), (27, 2925230), (29, 2723490), (30, 2632707), (33, 2393370), (35, 2256606), (42, 1880505), (45, 1755138), (54, 1462615), (55, 1436022), (58, 1361745), (63, 1253670), (66, 1196685), (70, 1128303), (77, 1025730), (87, 907830), (90, 877569), (99, 797790), (105, 752202), (110, 718011), (126, 626835), (131, 602910), (135, 585046), (145, 544698), (154, 512865), (165, 478674), (174, 453915), (189, 417890), (198, 398895), (203, 389070), (210, 376101), (231, 341910), (261, 302610), (262, 301455), (270, 292523), (290, 272349), (297, 265930), (315, 250734), (319, 247590), (330, 239337), (378, 208945), (385, 205146), (393, 200970), (406, 194535), (435, 181566), (462, 170955), (495, 159558), (522, 151305), (594, 132965), (609, 129690), (630, 125367), (638, 123795), (655, 120582), (693, 113970), (770, 102573), (783, 100870), (786, 100485), (870, 90783), (917, 86130), (945, 83578), (957, 82530), (990, 79779), (1015, 77814), (1155, 68382), (1179, 66990), (1218, 64845), (1305, 60522), (1310, 60291), (1386, 56985), (1441, 54810), (1485, 53186), (1566, 50435), (1595, 49518), (1827, 43230), (1834, 43065), (1890, 41789), (1914, 41265), (1965, 40194), (2030, 38907), (2079, 37990), (2233, 35370), (2310, 34191), (2358, 33495), (2610, 30261), (2751, 28710), (2871, 27510), (2882, 27405), (2970, 26593), (3045, 25938), (3190, 24759), (3465, 22794), (3537, 22330), (3654, 21615), (3799, 20790), (3915, 20174), (3930, 20097), (4158, 18995), (4323, 18270), (4466, 17685), (4585, 17226), (4785, 16506), (5481, 14410), (5502, 14355), (5742, 13755), (5895, 13398), (6090, 12969), (6699, 11790), (6930, 11397), (7074, 11165), (7205, 10962), (7598, 10395), (7830, 10087), (8253, 9570), (8613, 9170), (8646, 9135)]