87054520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 236390400

約数和(自身を除く): 149335880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 71, 116, 140, 142, 145, 151, 203, 232, 280, 284, 290, 302, 355, 406, 497, 568, 580, 604, 710, 755, 812, 994, 1015, 1057, 1160, 1208, 1420, 1510, 1624, 1988, 2030, 2059, 2114, 2485, 2840, 3020, 3976, 4060, 4118, 4228, 4379, 4970, 5285, 6040, 8120, 8236, 8456, 8758, 9940, 10295, 10570, 10721, 14413, 16472, 17516, 19880, 20590, 21140, 21442, 21895, 28826, 30653, 35032, 41180, 42280, 42884, 43790, 53605, 57652, 61306, 72065, 75047, 82360, 85768, 87580, 107210, 115304, 122612, 144130, 150094, 153265, 175160, 214420, 245224, 288260, 300188, 306530, 310909, 375235, 428840, 576520, 600376, 613060, 621818, 750470, 1226120, 1243636, 1500940, 1554545, 2176363, 2487272, 3001880, 3109090, 4352726, 6218180, 8705452, 10881815, 12436360, 17410904, 21763630, 43527260, 87054520]

約数ペア:

[(1, 87054520), (2, 43527260), (4, 21763630), (5, 17410904), (7, 12436360), (8, 10881815), (10, 8705452), (14, 6218180), (20, 4352726), (28, 3109090), (29, 3001880), (35, 2487272), (40, 2176363), (56, 1554545), (58, 1500940), (70, 1243636), (71, 1226120), (116, 750470), (140, 621818), (142, 613060), (145, 600376), (151, 576520), (203, 428840), (232, 375235), (280, 310909), (284, 306530), (290, 300188), (302, 288260), (355, 245224), (406, 214420), (497, 175160), (568, 153265), (580, 150094), (604, 144130), (710, 122612), (755, 115304), (812, 107210), (994, 87580), (1015, 85768), (1057, 82360), (1160, 75047), (1208, 72065), (1420, 61306), (1510, 57652), (1624, 53605), (1988, 43790), (2030, 42884), (2059, 42280), (2114, 41180), (2485, 35032), (2840, 30653), (3020, 28826), (3976, 21895), (4060, 21442), (4118, 21140), (4228, 20590), (4379, 19880), (4970, 17516), (5285, 16472), (6040, 14413), (8120, 10721), (8236, 10570), (8456, 10295), (8758, 9940)]