87706920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{541}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 302826240

約数和(自身を除く): 215119320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 193, 210, 280, 386, 420, 541, 579, 772, 840, 965, 1082, 1158, 1351, 1544, 1623, 1930, 2164, 2316, 2702, 2705, 2895, 3246, 3787, 3860, 4053, 4328, 4632, 5404, 5410, 5790, 6492, 6755, 7574, 7720, 8106, 8115, 10808, 10820, 11361, 11580, 12984, 13510, 15148, 16212, 16230, 18935, 20265, 21640, 22722, 23160, 27020, 30296, 32424, 32460, 37870, 40530, 45444, 54040, 56805, 64920, 75740, 81060, 90888, 104413, 113610, 151480, 162120, 208826, 227220, 313239, 417652, 454440, 522065, 626478, 730891, 835304, 1044130, 1252956, 1461782, 1566195, 2088260, 2192673, 2505912, 2923564, 3132390, 3654455, 4176520, 4385346, 5847128, 6264780, 7308910, 8770692, 10963365, 12529560, 14617820, 17541384, 21926730, 29235640, 43853460, 87706920]

約数ペア:

[(1, 87706920), (2, 43853460), (3, 29235640), (4, 21926730), (5, 17541384), (6, 14617820), (7, 12529560), (8, 10963365), (10, 8770692), (12, 7308910), (14, 6264780), (15, 5847128), (20, 4385346), (21, 4176520), (24, 3654455), (28, 3132390), (30, 2923564), (35, 2505912), (40, 2192673), (42, 2088260), (56, 1566195), (60, 1461782), (70, 1252956), (84, 1044130), (105, 835304), (120, 730891), (140, 626478), (168, 522065), (193, 454440), (210, 417652), (280, 313239), (386, 227220), (420, 208826), (541, 162120), (579, 151480), (772, 113610), (840, 104413), (965, 90888), (1082, 81060), (1158, 75740), (1351, 64920), (1544, 56805), (1623, 54040), (1930, 45444), (2164, 40530), (2316, 37870), (2702, 32460), (2705, 32424), (2895, 30296), (3246, 27020), (3787, 23160), (3860, 22722), (4053, 21640), (4328, 20265), (4632, 18935), (5404, 16230), (5410, 16212), (5790, 15148), (6492, 13510), (6755, 12984), (7574, 11580), (7720, 11361), (8106, 10820), (8115, 10808)]