1281915648

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:499

約数の個数: 216

約数和(自身を含む): 4023638528

約数和(自身を除く): 2741722880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 127, 128, 144, 156, 192, 208, 234, 254, 256, 288, 312, 337, 381, 384, 416, 468, 508, 576, 624, 674, 762, 768, 832, 936, 1011, 1016, 1143, 1152, 1248, 1348, 1524, 1651, 1664, 1872, 2022, 2032, 2286, 2304, 2496, 2696, 3033, 3048, 3302, 3328, 3744, 4044, 4064, 4381, 4572, 4953, 4992, 5392, 6066, 6096, 6604, 7488, 8088, 8128, 8762, 9144, 9906, 9984, 10784, 12132, 12192, 13143, 13208, 14859, 14976, 16176, 16256, 17524, 18288, 19812, 21568, 24264, 24384, 26286, 26416, 29718, 29952, 32352, 32512, 35048, 36576, 39429, 39624, 42799, 43136, 48528, 48768, 52572, 52832, 59436, 64704, 70096, 73152, 78858, 79248, 85598, 86272, 97056, 97536, 105144, 105664, 118872, 128397, 129408, 140192, 146304, 157716, 158496, 171196, 194112, 210288, 211328, 237744, 256794, 258816, 280384, 292608, 315432, 316992, 342392, 385191, 388224, 420576, 422656, 475488, 513588, 556387, 560768, 630864, 633984, 684784, 770382, 776448, 841152, 950976, 1027176, 1112774, 1121536, 1261728, 1267968, 1369568, 1540764, 1669161, 1682304, 1901952, 2054352, 2225548, 2523456, 2739136, 3081528, 3338322, 3364608, 3803904, 4108704, 4451096, 5007483, 5046912, 5478272, 6163056, 6676644, 8217408, 8902192, 10014966, 10093824, 10956544, 12326112, 13353288, 16434816, 17804384, 20029932, 24652224, 26706576, 32869632, 35608768, 40059864, 49304448, 53413152, 71217536, 80119728, 98608896, 106826304, 142435072, 160239456, 213652608, 320478912, 427305216, 640957824, 1281915648]

約数ペア:

[(1, 1281915648), (2, 640957824), (3, 427305216), (4, 320478912), (6, 213652608), (8, 160239456), (9, 142435072), (12, 106826304), (13, 98608896), (16, 80119728), (18, 71217536), (24, 53413152), (26, 49304448), (32, 40059864), (36, 35608768), (39, 32869632), (48, 26706576), (52, 24652224), (64, 20029932), (72, 17804384), (78, 16434816), (96, 13353288), (104, 12326112), (117, 10956544), (127, 10093824), (128, 10014966), (144, 8902192), (156, 8217408), (192, 6676644), (208, 6163056), (234, 5478272), (254, 5046912), (256, 5007483), (288, 4451096), (312, 4108704), (337, 3803904), (381, 3364608), (384, 3338322), (416, 3081528), (468, 2739136), (508, 2523456), (576, 2225548), (624, 2054352), (674, 1901952), (762, 1682304), (768, 1669161), (832, 1540764), (936, 1369568), (1011, 1267968), (1016, 1261728), (1143, 1121536), (1152, 1112774), (1248, 1027176), (1348, 950976), (1524, 841152), (1651, 776448), (1664, 770382), (1872, 684784), (2022, 633984), (2032, 630864), (2286, 560768), (2304, 556387), (2496, 513588), (2696, 475488), (3033, 422656), (3048, 420576), (3302, 388224), (3328, 385191), (3744, 342392), (4044, 316992), (4064, 315432), (4381, 292608), (4572, 280384), (4953, 258816), (4992, 256794), (5392, 237744), (6066, 211328), (6096, 210288), (6604, 194112), (7488, 171196), (8088, 158496), (8128, 157716), (8762, 146304), (9144, 140192), (9906, 129408), (9984, 128397), (10784, 118872), (12132, 105664), (12192, 105144), (13143, 97536), (13208, 97056), (14859, 86272), (14976, 85598), (16176, 79248), (16256, 78858), (17524, 73152), (18288, 70096), (19812, 64704), (21568, 59436), (24264, 52832), (24384, 52572), (26286, 48768), (26416, 48528), (29718, 43136), (29952, 42799), (32352, 39624), (32512, 39429), (35048, 36576)]