84601720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{647}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 218350080

約数和(自身を除く): 133748360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 467, 647, 934, 1294, 1868, 2335, 2588, 3235, 3269, 3736, 4529, 4670, 5176, 6470, 6538, 9058, 9340, 12940, 13076, 16345, 18116, 18680, 22645, 25880, 26152, 32690, 36232, 45290, 65380, 90580, 130760, 181160, 302149, 604298, 1208596, 1510745, 2115043, 2417192, 3021490, 4230086, 6042980, 8460172, 10575215, 12085960, 16920344, 21150430, 42300860, 84601720]

約数ペア:

[(1, 84601720), (2, 42300860), (4, 21150430), (5, 16920344), (7, 12085960), (8, 10575215), (10, 8460172), (14, 6042980), (20, 4230086), (28, 3021490), (35, 2417192), (40, 2115043), (56, 1510745), (70, 1208596), (140, 604298), (280, 302149), (467, 181160), (647, 130760), (934, 90580), (1294, 65380), (1868, 45290), (2335, 36232), (2588, 32690), (3235, 26152), (3269, 25880), (3736, 22645), (4529, 18680), (4670, 18116), (5176, 16345), (6470, 13076), (6538, 12940), (9058, 9340)]