66657920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{14879}}^1$

素因数の和:14905

約数の個数: 64

約数和(自身を含む): 182131200

約数和(自身を除く): 115473280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 14879, 29758, 59516, 74395, 104153, 119032, 148790, 208306, 238064, 297580, 416612, 476128, 520765, 595160, 833224, 952256, 1041530, 1190320, 1666448, 1904512, 2083060, 2380640, 3332896, 4166120, 4761280, 6665792, 8332240, 9522560, 13331584, 16664480, 33328960, 66657920]

約数ペア:

[(1, 66657920), (2, 33328960), (4, 16664480), (5, 13331584), (7, 9522560), (8, 8332240), (10, 6665792), (14, 4761280), (16, 4166120), (20, 3332896), (28, 2380640), (32, 2083060), (35, 1904512), (40, 1666448), (56, 1190320), (64, 1041530), (70, 952256), (80, 833224), (112, 595160), (128, 520765), (140, 476128), (160, 416612), (224, 297580), (280, 238064), (320, 208306), (448, 148790), (560, 119032), (640, 104153), (896, 74395), (1120, 59516), (2240, 29758), (4480, 14879)]