20928214080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{78137}}^1$

素因数の和:78194

約数の個数: 224

約数和(自身を含む): 76212679680

約数和(自身を除く): 55284465600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 432, 465, 480, 496, 540, 558, 576, 620, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1728, 1860, 1984, 2160, 2232, 2480, 2790, 2880, 2976, 3348, 3720, 4185, 4320, 4464, 4960, 5580, 5952, 6696, 7440, 8370, 8640, 8928, 9920, 11160, 13392, 14880, 16740, 17856, 22320, 26784, 29760, 33480, 44640, 53568, 66960, 78137, 89280, 133920, 156274, 234411, 267840, 312548, 390685, 468822, 625096, 703233, 781370, 937644, 1172055, 1250192, 1406466, 1562740, 1875288, 2109699, 2344110, 2422247, 2500384, 2812932, 3125480, 3516165, 3750576, 4219398, 4688220, 4844494, 5000768, 5625864, 6250960, 7032330, 7266741, 7501152, 8438796, 9376440, 9688988, 10548495, 11251728, 12111235, 12501920, 14064660, 14533482, 15002304, 16877592, 18752880, 19377976, 21096990, 21800223, 22503456, 24222470, 25003840, 28129320, 29066964, 33755184, 36333705, 37505760, 38755952, 42193980, 43600446, 45006912, 48444940, 56258640, 58133928, 65400669, 67510368, 72667410, 75011520, 77511904, 84387960, 87200892, 96889880, 109001115, 112517280, 116267856, 130801338, 135020736, 145334820, 155023808, 168775920, 174401784, 193779760, 218002230, 225034560, 232535712, 261602676, 290669640, 327003345, 337551840, 348803568, 387559520, 436004460, 465071424, 523205352, 581339280, 654006690, 675103680, 697607136, 775119040, 872008920, 1046410704, 1162678560, 1308013380, 1395214272, 1744017840, 2092821408, 2325357120, 2616026760, 3488035680, 4185642816, 5232053520, 6976071360, 10464107040, 20928214080]

約数ペア:

[(1, 20928214080), (2, 10464107040), (3, 6976071360), (4, 5232053520), (5, 4185642816), (6, 3488035680), (8, 2616026760), (9, 2325357120), (10, 2092821408), (12, 1744017840), (15, 1395214272), (16, 1308013380), (18, 1162678560), (20, 1046410704), (24, 872008920), (27, 775119040), (30, 697607136), (31, 675103680), (32, 654006690), (36, 581339280), (40, 523205352), (45, 465071424), (48, 436004460), (54, 387559520), (60, 348803568), (62, 337551840), (64, 327003345), (72, 290669640), (80, 261602676), (90, 232535712), (93, 225034560), (96, 218002230), (108, 193779760), (120, 174401784), (124, 168775920), (135, 155023808), (144, 145334820), (155, 135020736), (160, 130801338), (180, 116267856), (186, 112517280), (192, 109001115), (216, 96889880), (240, 87200892), (248, 84387960), (270, 77511904), (279, 75011520), (288, 72667410), (310, 67510368), (320, 65400669), (360, 58133928), (372, 56258640), (432, 48444940), (465, 45006912), (480, 43600446), (496, 42193980), (540, 38755952), (558, 37505760), (576, 36333705), (620, 33755184), (720, 29066964), (744, 28129320), (837, 25003840), (864, 24222470), (930, 22503456), (960, 21800223), (992, 21096990), (1080, 19377976), (1116, 18752880), (1240, 16877592), (1395, 15002304), (1440, 14533482), (1488, 14064660), (1674, 12501920), (1728, 12111235), (1860, 11251728), (1984, 10548495), (2160, 9688988), (2232, 9376440), (2480, 8438796), (2790, 7501152), (2880, 7266741), (2976, 7032330), (3348, 6250960), (3720, 5625864), (4185, 5000768), (4320, 4844494), (4464, 4688220), (4960, 4219398), (5580, 3750576), (5952, 3516165), (6696, 3125480), (7440, 2812932), (8370, 2500384), (8640, 2422247), (8928, 2344110), (9920, 2109699), (11160, 1875288), (13392, 1562740), (14880, 1406466), (16740, 1250192), (17856, 1172055), (22320, 937644), (26784, 781370), (29760, 703233), (33480, 625096), (44640, 468822), (53568, 390685), (66960, 312548), (78137, 267840), (89280, 234411), (133920, 156274)]