257604480

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{6389}}^1$

素因数の和:6421

約数の個数: 192

約数和(自身を含む): 1016776800

約数和(自身を除く): 759172320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6389, 6720, 8064, 10080, 12778, 13440, 19167, 20160, 25556, 31945, 38334, 40320, 44723, 51112, 57501, 63890, 76668, 89446, 95835, 102224, 115002, 127780, 134169, 153336, 178892, 191670, 204448, 223615, 230004, 255560, 268338, 287505, 306672, 357784, 383340, 402507, 408896, 447230, 460008, 511120, 536676, 575010, 613344, 670845, 715568, 766680, 805014, 817792, 894460, 920016, 1022240, 1073352, 1150020, 1226688, 1341690, 1431136, 1533360, 1610028, 1788920, 1840032, 2012535, 2044480, 2146704, 2300040, 2453376, 2683380, 2862272, 3066720, 3220056, 3577840, 3680064, 4025070, 4088960, 4293408, 4600080, 5366760, 5724544, 6133440, 6440112, 7155680, 7360128, 8050140, 8586816, 9200160, 10733520, 12266880, 12880224, 14311360, 16100280, 17173632, 18400320, 21467040, 25760448, 28622720, 32200560, 36800640, 42934080, 51520896, 64401120, 85868160, 128802240, 257604480]

約数ペア:

[(1, 257604480), (2, 128802240), (3, 85868160), (4, 64401120), (5, 51520896), (6, 42934080), (7, 36800640), (8, 32200560), (9, 28622720), (10, 25760448), (12, 21467040), (14, 18400320), (15, 17173632), (16, 16100280), (18, 14311360), (20, 12880224), (21, 12266880), (24, 10733520), (28, 9200160), (30, 8586816), (32, 8050140), (35, 7360128), (36, 7155680), (40, 6440112), (42, 6133440), (45, 5724544), (48, 5366760), (56, 4600080), (60, 4293408), (63, 4088960), (64, 4025070), (70, 3680064), (72, 3577840), (80, 3220056), (84, 3066720), (90, 2862272), (96, 2683380), (105, 2453376), (112, 2300040), (120, 2146704), (126, 2044480), (128, 2012535), (140, 1840032), (144, 1788920), (160, 1610028), (168, 1533360), (180, 1431136), (192, 1341690), (210, 1226688), (224, 1150020), (240, 1073352), (252, 1022240), (280, 920016), (288, 894460), (315, 817792), (320, 805014), (336, 766680), (360, 715568), (384, 670845), (420, 613344), (448, 575010), (480, 536676), (504, 511120), (560, 460008), (576, 447230), (630, 408896), (640, 402507), (672, 383340), (720, 357784), (840, 306672), (896, 287505), (960, 268338), (1008, 255560), (1120, 230004), (1152, 223615), (1260, 204448), (1344, 191670), (1440, 178892), (1680, 153336), (1920, 134169), (2016, 127780), (2240, 115002), (2520, 102224), (2688, 95835), (2880, 89446), (3360, 76668), (4032, 63890), (4480, 57501), (5040, 51112), (5760, 44723), (6389, 40320), (6720, 38334), (8064, 31945), (10080, 25556), (12778, 20160), (13440, 19167)]