620388864

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 240

約数和(自身を含む): 1909949184

約数和(自身を除く): 1289560320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 43, 48, 62, 64, 72, 86, 93, 96, 101, 124, 128, 129, 144, 172, 186, 192, 202, 248, 256, 258, 279, 288, 303, 344, 372, 384, 387, 404, 496, 512, 516, 558, 576, 606, 688, 744, 768, 774, 808, 909, 992, 1032, 1116, 1152, 1212, 1333, 1376, 1488, 1536, 1548, 1616, 1818, 1984, 2064, 2232, 2304, 2424, 2666, 2752, 2976, 3096, 3131, 3232, 3636, 3968, 3999, 4128, 4343, 4464, 4608, 4848, 5332, 5504, 5952, 6192, 6262, 6464, 7272, 7936, 7998, 8256, 8686, 8928, 9393, 9696, 10664, 11008, 11904, 11997, 12384, 12524, 12928, 13029, 14544, 15872, 15996, 16512, 17372, 17856, 18786, 19392, 21328, 22016, 23808, 23994, 24768, 25048, 25856, 26058, 28179, 29088, 31992, 33024, 34744, 35712, 37572, 38784, 39087, 42656, 47616, 47988, 49536, 50096, 51712, 52116, 56358, 58176, 63984, 66048, 69488, 71424, 75144, 77568, 78174, 85312, 95976, 99072, 100192, 104232, 112716, 116352, 127968, 134633, 138976, 142848, 150288, 155136, 156348, 170624, 191952, 198144, 200384, 208464, 225432, 232704, 255936, 269266, 277952, 300576, 312696, 341248, 383904, 400768, 403899, 416928, 450864, 465408, 511872, 538532, 555904, 601152, 625392, 682496, 767808, 801536, 807798, 833856, 901728, 1023744, 1077064, 1111808, 1202304, 1211697, 1250784, 1535616, 1603072, 1615596, 1667712, 1803456, 2047488, 2154128, 2223616, 2404608, 2423394, 2501568, 3071232, 3231192, 3335424, 3606912, 4308256, 4809216, 4846788, 5003136, 6142464, 6462384, 6670848, 7213824, 8616512, 9693576, 10006272, 12924768, 14427648, 17233024, 19387152, 20012544, 25849536, 34466048, 38774304, 51699072, 68932096, 77548608, 103398144, 155097216, 206796288, 310194432, 620388864]

約数ペア:

[(1, 620388864), (2, 310194432), (3, 206796288), (4, 155097216), (6, 103398144), (8, 77548608), (9, 68932096), (12, 51699072), (16, 38774304), (18, 34466048), (24, 25849536), (31, 20012544), (32, 19387152), (36, 17233024), (43, 14427648), (48, 12924768), (62, 10006272), (64, 9693576), (72, 8616512), (86, 7213824), (93, 6670848), (96, 6462384), (101, 6142464), (124, 5003136), (128, 4846788), (129, 4809216), (144, 4308256), (172, 3606912), (186, 3335424), (192, 3231192), (202, 3071232), (248, 2501568), (256, 2423394), (258, 2404608), (279, 2223616), (288, 2154128), (303, 2047488), (344, 1803456), (372, 1667712), (384, 1615596), (387, 1603072), (404, 1535616), (496, 1250784), (512, 1211697), (516, 1202304), (558, 1111808), (576, 1077064), (606, 1023744), (688, 901728), (744, 833856), (768, 807798), (774, 801536), (808, 767808), (909, 682496), (992, 625392), (1032, 601152), (1116, 555904), (1152, 538532), (1212, 511872), (1333, 465408), (1376, 450864), (1488, 416928), (1536, 403899), (1548, 400768), (1616, 383904), (1818, 341248), (1984, 312696), (2064, 300576), (2232, 277952), (2304, 269266), (2424, 255936), (2666, 232704), (2752, 225432), (2976, 208464), (3096, 200384), (3131, 198144), (3232, 191952), (3636, 170624), (3968, 156348), (3999, 155136), (4128, 150288), (4343, 142848), (4464, 138976), (4608, 134633), (4848, 127968), (5332, 116352), (5504, 112716), (5952, 104232), (6192, 100192), (6262, 99072), (6464, 95976), (7272, 85312), (7936, 78174), (7998, 77568), (8256, 75144), (8686, 71424), (8928, 69488), (9393, 66048), (9696, 63984), (10664, 58176), (11008, 56358), (11904, 52116), (11997, 51712), (12384, 50096), (12524, 49536), (12928, 47988), (13029, 47616), (14544, 42656), (15872, 39087), (15996, 38784), (16512, 37572), (17372, 35712), (17856, 34744), (18786, 33024), (19392, 31992), (21328, 29088), (22016, 28179), (23808, 26058), (23994, 25856), (24768, 25048)]