20974498560

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{26387}}^1$

素因数の和:26440

約数の個数: 288

約数和(自身を含む): 77669383680

約数和(自身を除く): 56694885120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 256, 270, 276, 288, 320, 345, 360, 368, 384, 414, 432, 460, 480, 540, 552, 576, 621, 640, 690, 720, 736, 768, 828, 864, 920, 960, 1035, 1080, 1104, 1152, 1242, 1280, 1380, 1440, 1472, 1656, 1728, 1840, 1920, 2070, 2160, 2208, 2304, 2484, 2760, 2880, 2944, 3105, 3312, 3456, 3680, 3840, 4140, 4320, 4416, 4968, 5520, 5760, 5888, 6210, 6624, 6912, 7360, 8280, 8640, 8832, 9936, 11040, 11520, 12420, 13248, 14720, 16560, 17280, 17664, 19872, 22080, 24840, 26387, 26496, 29440, 33120, 34560, 39744, 44160, 49680, 52774, 52992, 66240, 79161, 79488, 88320, 99360, 105548, 131935, 132480, 158322, 158976, 198720, 211096, 237483, 263870, 264960, 316644, 395805, 397440, 422192, 474966, 527740, 606901, 633288, 712449, 791610, 794880, 844384, 949932, 1055480, 1187415, 1213802, 1266576, 1424898, 1583220, 1688768, 1820703, 1899864, 2110960, 2374830, 2427604, 2533152, 2849796, 3034505, 3166440, 3377536, 3562245, 3641406, 3799728, 4221920, 4749660, 4855208, 5066304, 5462109, 5699592, 6069010, 6332880, 6755072, 7124490, 7282812, 7599456, 8443840, 9103515, 9499320, 9710416, 10132608, 10924218, 11399184, 12138020, 12665760, 14248980, 14565624, 15198912, 16386327, 16887680, 18207030, 18998640, 19420832, 20265216, 21848436, 22798368, 24276040, 25331520, 27310545, 28497960, 29131248, 30397824, 32772654, 33775360, 36414060, 37997280, 38841664, 43696872, 45596736, 48552080, 50663040, 54621090, 56995920, 58262496, 60795648, 65545308, 72828120, 75994560, 77683328, 81931635, 87393744, 91193472, 97104160, 101326080, 109242180, 113991840, 116524992, 131090616, 145656240, 151989120, 155366656, 163863270, 174787488, 182386944, 194208320, 218484360, 227983680, 233049984, 262181232, 291312480, 303978240, 327726540, 349574976, 388416640, 436968720, 455967360, 466099968, 524362464, 582624960, 655453080, 699149952, 776833280, 873937440, 911934720, 1048724928, 1165249920, 1310906160, 1398299904, 1747874880, 2097449856, 2330499840, 2621812320, 3495749760, 4194899712, 5243624640, 6991499520, 10487249280, 20974498560]

約数ペア:

[(1, 20974498560), (2, 10487249280), (3, 6991499520), (4, 5243624640), (5, 4194899712), (6, 3495749760), (8, 2621812320), (9, 2330499840), (10, 2097449856), (12, 1747874880), (15, 1398299904), (16, 1310906160), (18, 1165249920), (20, 1048724928), (23, 911934720), (24, 873937440), (27, 776833280), (30, 699149952), (32, 655453080), (36, 582624960), (40, 524362464), (45, 466099968), (46, 455967360), (48, 436968720), (54, 388416640), (60, 349574976), (64, 327726540), (69, 303978240), (72, 291312480), (80, 262181232), (90, 233049984), (92, 227983680), (96, 218484360), (108, 194208320), (115, 182386944), (120, 174787488), (128, 163863270), (135, 155366656), (138, 151989120), (144, 145656240), (160, 131090616), (180, 116524992), (184, 113991840), (192, 109242180), (207, 101326080), (216, 97104160), (230, 91193472), (240, 87393744), (256, 81931635), (270, 77683328), (276, 75994560), (288, 72828120), (320, 65545308), (345, 60795648), (360, 58262496), (368, 56995920), (384, 54621090), (414, 50663040), (432, 48552080), (460, 45596736), (480, 43696872), (540, 38841664), (552, 37997280), (576, 36414060), (621, 33775360), (640, 32772654), (690, 30397824), (720, 29131248), (736, 28497960), (768, 27310545), (828, 25331520), (864, 24276040), (920, 22798368), (960, 21848436), (1035, 20265216), (1080, 19420832), (1104, 18998640), (1152, 18207030), (1242, 16887680), (1280, 16386327), (1380, 15198912), (1440, 14565624), (1472, 14248980), (1656, 12665760), (1728, 12138020), (1840, 11399184), (1920, 10924218), (2070, 10132608), (2160, 9710416), (2208, 9499320), (2304, 9103515), (2484, 8443840), (2760, 7599456), (2880, 7282812), (2944, 7124490), (3105, 6755072), (3312, 6332880), (3456, 6069010), (3680, 5699592), (3840, 5462109), (4140, 5066304), (4320, 4855208), (4416, 4749660), (4968, 4221920), (5520, 3799728), (5760, 3641406), (5888, 3562245), (6210, 3377536), (6624, 3166440), (6912, 3034505), (7360, 2849796), (8280, 2533152), (8640, 2427604), (8832, 2374830), (9936, 2110960), (11040, 1899864), (11520, 1820703), (12420, 1688768), (13248, 1583220), (14720, 1424898), (16560, 1266576), (17280, 1213802), (17664, 1187415), (19872, 1055480), (22080, 949932), (24840, 844384), (26387, 794880), (26496, 791610), (29440, 712449), (33120, 633288), (34560, 606901), (39744, 527740), (44160, 474966), (49680, 422192), (52774, 397440), (52992, 395805), (66240, 316644), (79161, 264960), (79488, 263870), (88320, 237483), (99360, 211096), (105548, 198720), (131935, 158976), (132480, 158322)]