72617720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1163}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 187729920

約数和(自身を除く): 115112200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1115, 1163, 1561, 1784, 2230, 2326, 3122, 4460, 4652, 5815, 6244, 7805, 8141, 8920, 9304, 11630, 12488, 15610, 16282, 23260, 31220, 32564, 40705, 46520, 62440, 65128, 81410, 162820, 259349, 325640, 518698, 1037396, 1296745, 1815443, 2074792, 2593490, 3630886, 5186980, 7261772, 9077215, 10373960, 14523544, 18154430, 36308860, 72617720]

約数ペア:

[(1, 72617720), (2, 36308860), (4, 18154430), (5, 14523544), (7, 10373960), (8, 9077215), (10, 7261772), (14, 5186980), (20, 3630886), (28, 2593490), (35, 2074792), (40, 1815443), (56, 1296745), (70, 1037396), (140, 518698), (223, 325640), (280, 259349), (446, 162820), (892, 81410), (1115, 65128), (1163, 62440), (1561, 46520), (1784, 40705), (2230, 32564), (2326, 31220), (3122, 23260), (4460, 16282), (4652, 15610), (5815, 12488), (6244, 11630), (7805, 9304), (8141, 8920)]