217993440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{64879}}^1$

素因数の和:64904

約数の個数: 96

約数和(自身を含む): 784788480

約数和(自身を除く): 566795040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 64879, 129758, 194637, 259516, 324395, 389274, 454153, 519032, 648790, 778548, 908306, 973185, 1038064, 1297580, 1362459, 1557096, 1816612, 1946370, 2076128, 2270765, 2595160, 2724918, 3114192, 3633224, 3892740, 4541530, 5190320, 5449836, 6228384, 6812295, 7266448, 7785480, 9083060, 10380640, 10899672, 13624590, 14532896, 15570960, 18166120, 21799344, 27249180, 31141920, 36332240, 43598688, 54498360, 72664480, 108996720, 217993440]

約数ペア:

[(1, 217993440), (2, 108996720), (3, 72664480), (4, 54498360), (5, 43598688), (6, 36332240), (7, 31141920), (8, 27249180), (10, 21799344), (12, 18166120), (14, 15570960), (15, 14532896), (16, 13624590), (20, 10899672), (21, 10380640), (24, 9083060), (28, 7785480), (30, 7266448), (32, 6812295), (35, 6228384), (40, 5449836), (42, 5190320), (48, 4541530), (56, 3892740), (60, 3633224), (70, 3114192), (80, 2724918), (84, 2595160), (96, 2270765), (105, 2076128), (112, 1946370), (120, 1816612), (140, 1557096), (160, 1362459), (168, 1297580), (210, 1038064), (224, 973185), (240, 908306), (280, 778548), (336, 648790), (420, 519032), (480, 454153), (560, 389274), (672, 324395), (840, 259516), (1120, 194637), (1680, 129758), (3360, 64879)]