520897920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 256

約数和(自身を含む): 1777248000

約数和(自身を除く): 1256350080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 109, 114, 120, 128, 131, 152, 160, 190, 192, 218, 228, 240, 262, 285, 304, 320, 327, 380, 384, 393, 436, 456, 480, 524, 545, 570, 608, 640, 654, 655, 760, 786, 872, 912, 960, 1048, 1090, 1140, 1216, 1308, 1310, 1520, 1572, 1635, 1744, 1824, 1920, 1965, 2071, 2096, 2180, 2280, 2432, 2489, 2616, 2620, 3040, 3144, 3270, 3488, 3648, 3930, 4142, 4192, 4360, 4560, 4978, 5232, 5240, 6080, 6213, 6288, 6540, 6976, 7296, 7467, 7860, 8284, 8384, 8720, 9120, 9956, 10355, 10464, 10480, 12160, 12426, 12445, 12576, 13080, 13952, 14279, 14934, 15720, 16568, 16768, 17440, 18240, 19912, 20710, 20928, 20960, 24852, 24890, 25152, 26160, 28558, 29868, 31065, 31440, 33136, 34880, 36480, 37335, 39824, 41420, 41856, 41920, 42837, 49704, 49780, 50304, 52320, 57116, 59736, 62130, 62880, 66272, 69760, 71395, 74670, 79648, 82840, 83840, 85674, 99408, 99560, 104640, 114232, 119472, 124260, 125760, 132544, 142790, 149340, 159296, 165680, 171348, 198816, 199120, 209280, 214185, 228464, 238944, 248520, 251520, 265088, 271301, 285580, 298680, 318592, 331360, 342696, 397632, 398240, 428370, 456928, 477888, 497040, 542602, 571160, 597360, 662720, 685392, 795264, 796480, 813903, 856740, 913856, 955776, 994080, 1085204, 1142320, 1194720, 1325440, 1356505, 1370784, 1592960, 1627806, 1713480, 1827712, 1988160, 2170408, 2284640, 2389440, 2713010, 2741568, 3255612, 3426960, 3976320, 4069515, 4340816, 4569280, 4778880, 5426020, 5483136, 6511224, 6853920, 8139030, 8681632, 9138560, 10852040, 13022448, 13707840, 16278060, 17363264, 21704080, 26044896, 27415680, 32556120, 34726528, 43408160, 52089792, 65112240, 86816320, 104179584, 130224480, 173632640, 260448960, 520897920]

約数ペア:

[(1, 520897920), (2, 260448960), (3, 173632640), (4, 130224480), (5, 104179584), (6, 86816320), (8, 65112240), (10, 52089792), (12, 43408160), (15, 34726528), (16, 32556120), (19, 27415680), (20, 26044896), (24, 21704080), (30, 17363264), (32, 16278060), (38, 13707840), (40, 13022448), (48, 10852040), (57, 9138560), (60, 8681632), (64, 8139030), (76, 6853920), (80, 6511224), (95, 5483136), (96, 5426020), (109, 4778880), (114, 4569280), (120, 4340816), (128, 4069515), (131, 3976320), (152, 3426960), (160, 3255612), (190, 2741568), (192, 2713010), (218, 2389440), (228, 2284640), (240, 2170408), (262, 1988160), (285, 1827712), (304, 1713480), (320, 1627806), (327, 1592960), (380, 1370784), (384, 1356505), (393, 1325440), (436, 1194720), (456, 1142320), (480, 1085204), (524, 994080), (545, 955776), (570, 913856), (608, 856740), (640, 813903), (654, 796480), (655, 795264), (760, 685392), (786, 662720), (872, 597360), (912, 571160), (960, 542602), (1048, 497040), (1090, 477888), (1140, 456928), (1216, 428370), (1308, 398240), (1310, 397632), (1520, 342696), (1572, 331360), (1635, 318592), (1744, 298680), (1824, 285580), (1920, 271301), (1965, 265088), (2071, 251520), (2096, 248520), (2180, 238944), (2280, 228464), (2432, 214185), (2489, 209280), (2616, 199120), (2620, 198816), (3040, 171348), (3144, 165680), (3270, 159296), (3488, 149340), (3648, 142790), (3930, 132544), (4142, 125760), (4192, 124260), (4360, 119472), (4560, 114232), (4978, 104640), (5232, 99560), (5240, 99408), (6080, 85674), (6213, 83840), (6288, 82840), (6540, 79648), (6976, 74670), (7296, 71395), (7467, 69760), (7860, 66272), (8284, 62880), (8384, 62130), (8720, 59736), (9120, 57116), (9956, 52320), (10355, 50304), (10464, 49780), (10480, 49704), (12160, 42837), (12426, 41920), (12445, 41856), (12576, 41420), (13080, 39824), (13952, 37335), (14279, 36480), (14934, 34880), (15720, 33136), (16568, 31440), (16768, 31065), (17440, 29868), (18240, 28558), (19912, 26160), (20710, 25152), (20928, 24890), (20960, 24852)]