691221440

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3391}}^1$

素因数の和:3435

約数の個数: 168

約数和(自身を含む): 2062593792

約数和(自身を除く): 1371372352

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, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 728, 784, 832, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2240, 2548, 2912, 3136, 3185, 3391, 3640, 3920, 4160, 5096, 5824, 6370, 6782, 7280, 7840, 10192, 12740, 13564, 14560, 15680, 16955, 20384, 23737, 25480, 27128, 29120, 33910, 40768, 44083, 47474, 50960, 54256, 67820, 88166, 94948, 101920, 108512, 118685, 135640, 166159, 176332, 189896, 203840, 217024, 220415, 237370, 271280, 308581, 332318, 352664, 379792, 440830, 474740, 542560, 617162, 664636, 705328, 759584, 830795, 881660, 949480, 1085120, 1234324, 1329272, 1410656, 1519168, 1542905, 1661590, 1763320, 1898960, 2160067, 2468648, 2658544, 2821312, 3085810, 3323180, 3526640, 3797920, 4320134, 4937296, 5317088, 6171620, 6646360, 7053280, 7595840, 8640268, 9874592, 10634176, 10800335, 12343240, 13292720, 14106560, 17280536, 19749184, 21600670, 24686480, 26585440, 34561072, 43201340, 49372960, 53170880, 69122144, 86402680, 98745920, 138244288, 172805360, 345610720, 691221440]

約数ペア:

[(1, 691221440), (2, 345610720), (4, 172805360), (5, 138244288), (7, 98745920), (8, 86402680), (10, 69122144), (13, 53170880), (14, 49372960), (16, 43201340), (20, 34561072), (26, 26585440), (28, 24686480), (32, 21600670), (35, 19749184), (40, 17280536), (49, 14106560), (52, 13292720), (56, 12343240), (64, 10800335), (65, 10634176), (70, 9874592), (80, 8640268), (91, 7595840), (98, 7053280), (104, 6646360), (112, 6171620), (130, 5317088), (140, 4937296), (160, 4320134), (182, 3797920), (196, 3526640), (208, 3323180), (224, 3085810), (245, 2821312), (260, 2658544), (280, 2468648), (320, 2160067), (364, 1898960), (392, 1763320), (416, 1661590), (448, 1542905), (455, 1519168), (490, 1410656), (520, 1329272), (560, 1234324), (637, 1085120), (728, 949480), (784, 881660), (832, 830795), (910, 759584), (980, 705328), (1040, 664636), (1120, 617162), (1274, 542560), (1456, 474740), (1568, 440830), (1820, 379792), (1960, 352664), (2080, 332318), (2240, 308581), (2548, 271280), (2912, 237370), (3136, 220415), (3185, 217024), (3391, 203840), (3640, 189896), (3920, 176332), (4160, 166159), (5096, 135640), (5824, 118685), (6370, 108512), (6782, 101920), (7280, 94948), (7840, 88166), (10192, 67820), (12740, 54256), (13564, 50960), (14560, 47474), (15680, 44083), (16955, 40768), (20384, 33910), (23737, 29120), (25480, 27128)]