251538560

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:663

約数の個数: 192

約数和(自身を含む): 754540920

約数和(自身を除く): 503002360

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, 617, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1234, 1274, 1456, 1568, 1664, 1820, 1960, 2080, 2240, 2468, 2548, 2912, 3085, 3136, 3185, 3640, 3920, 4160, 4319, 4480, 4936, 5096, 5824, 6170, 6272, 6370, 7280, 7840, 8021, 8320, 8638, 9872, 10192, 11648, 12340, 12740, 14560, 15680, 16042, 17276, 19744, 20384, 21595, 24680, 25480, 29120, 30233, 31360, 32084, 34552, 39488, 40105, 40768, 43190, 49360, 50960, 56147, 58240, 60466, 64168, 69104, 78976, 80210, 81536, 86380, 98720, 101920, 112294, 120932, 128336, 138208, 151165, 160420, 172760, 197440, 203840, 224588, 241864, 256672, 276416, 280735, 302330, 320840, 345520, 393029, 394880, 407680, 449176, 483728, 513344, 552832, 561470, 604660, 641680, 691040, 786058, 898352, 967456, 1026688, 1122940, 1209320, 1283360, 1382080, 1572116, 1796704, 1934912, 1965145, 2245880, 2418640, 2566720, 2764160, 3144232, 3593408, 3869824, 3930290, 4491760, 4837280, 5133440, 6288464, 7186816, 7860580, 8983520, 9674560, 12576928, 15721160, 17967040, 19349120, 25153856, 31442320, 35934080, 50307712, 62884640, 125769280, 251538560]

約数ペア:

[(1, 251538560), (2, 125769280), (4, 62884640), (5, 50307712), (7, 35934080), (8, 31442320), (10, 25153856), (13, 19349120), (14, 17967040), (16, 15721160), (20, 12576928), (26, 9674560), (28, 8983520), (32, 7860580), (35, 7186816), (40, 6288464), (49, 5133440), (52, 4837280), (56, 4491760), (64, 3930290), (65, 3869824), (70, 3593408), (80, 3144232), (91, 2764160), (98, 2566720), (104, 2418640), (112, 2245880), (128, 1965145), (130, 1934912), (140, 1796704), (160, 1572116), (182, 1382080), (196, 1283360), (208, 1209320), (224, 1122940), (245, 1026688), (260, 967456), (280, 898352), (320, 786058), (364, 691040), (392, 641680), (416, 604660), (448, 561470), (455, 552832), (490, 513344), (520, 483728), (560, 449176), (617, 407680), (637, 394880), (640, 393029), (728, 345520), (784, 320840), (832, 302330), (896, 280735), (910, 276416), (980, 256672), (1040, 241864), (1120, 224588), (1234, 203840), (1274, 197440), (1456, 172760), (1568, 160420), (1664, 151165), (1820, 138208), (1960, 128336), (2080, 120932), (2240, 112294), (2468, 101920), (2548, 98720), (2912, 86380), (3085, 81536), (3136, 80210), (3185, 78976), (3640, 69104), (3920, 64168), (4160, 60466), (4319, 58240), (4480, 56147), (4936, 50960), (5096, 49360), (5824, 43190), (6170, 40768), (6272, 40105), (6370, 39488), (7280, 34552), (7840, 32084), (8021, 31360), (8320, 30233), (8638, 29120), (9872, 25480), (10192, 24680), (11648, 21595), (12340, 20384), (12740, 19744), (14560, 17276), (15680, 16042)]