521422720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1325

約数の個数: 192

約数和(自身を含む): 1562803200

約数和(自身を除く): 1041380480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1279, 1456, 1568, 1664, 1820, 1960, 2080, 2240, 2548, 2558, 2912, 3136, 3185, 3640, 3920, 4160, 4480, 5096, 5116, 5824, 6272, 6370, 6395, 7280, 7840, 8320, 8953, 10192, 10232, 11648, 12740, 12790, 14560, 15680, 16627, 17906, 20384, 20464, 25480, 25580, 29120, 31360, 33254, 35812, 40768, 40928, 44765, 50960, 51160, 58240, 62671, 66508, 71624, 81536, 81856, 83135, 89530, 101920, 102320, 116389, 125342, 133016, 143248, 163712, 166270, 179060, 203840, 204640, 232778, 250684, 266032, 286496, 313355, 332540, 358120, 407680, 409280, 465556, 501368, 532064, 572992, 581945, 626710, 665080, 716240, 814723, 818560, 931112, 1002736, 1064128, 1145984, 1163890, 1253420, 1330160, 1432480, 1629446, 1862224, 2005472, 2128256, 2327780, 2506840, 2660320, 2864960, 3258892, 3724448, 4010944, 4073615, 4655560, 5013680, 5320640, 5729920, 6517784, 7448896, 8021888, 8147230, 9311120, 10027360, 10641280, 13035568, 14897792, 16294460, 18622240, 20054720, 26071136, 32588920, 37244480, 40109440, 52142272, 65177840, 74488960, 104284544, 130355680, 260711360, 521422720]

約数ペア:

[(1, 521422720), (2, 260711360), (4, 130355680), (5, 104284544), (7, 74488960), (8, 65177840), (10, 52142272), (13, 40109440), (14, 37244480), (16, 32588920), (20, 26071136), (26, 20054720), (28, 18622240), (32, 16294460), (35, 14897792), (40, 13035568), (49, 10641280), (52, 10027360), (56, 9311120), (64, 8147230), (65, 8021888), (70, 7448896), (80, 6517784), (91, 5729920), (98, 5320640), (104, 5013680), (112, 4655560), (128, 4073615), (130, 4010944), (140, 3724448), (160, 3258892), (182, 2864960), (196, 2660320), (208, 2506840), (224, 2327780), (245, 2128256), (260, 2005472), (280, 1862224), (320, 1629446), (364, 1432480), (392, 1330160), (416, 1253420), (448, 1163890), (455, 1145984), (490, 1064128), (520, 1002736), (560, 931112), (637, 818560), (640, 814723), (728, 716240), (784, 665080), (832, 626710), (896, 581945), (910, 572992), (980, 532064), (1040, 501368), (1120, 465556), (1274, 409280), (1279, 407680), (1456, 358120), (1568, 332540), (1664, 313355), (1820, 286496), (1960, 266032), (2080, 250684), (2240, 232778), (2548, 204640), (2558, 203840), (2912, 179060), (3136, 166270), (3185, 163712), (3640, 143248), (3920, 133016), (4160, 125342), (4480, 116389), (5096, 102320), (5116, 101920), (5824, 89530), (6272, 83135), (6370, 81856), (6395, 81536), (7280, 71624), (7840, 66508), (8320, 62671), (8953, 58240), (10192, 51160), (10232, 50960), (11648, 44765), (12740, 40928), (12790, 40768), (14560, 35812), (15680, 33254), (16627, 31360), (17906, 29120), (20384, 25580), (20464, 25480)]