172870960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1718

約数の個数: 80

約数和(自身を含む): 431222400

約数和(自身を除く): 258351440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 790, 1264, 1343, 1360, 1580, 1609, 2686, 3160, 3218, 5372, 6320, 6436, 6715, 8045, 10744, 12872, 13430, 16090, 21488, 25744, 26860, 27353, 32180, 53720, 54706, 64360, 107440, 109412, 127111, 128720, 136765, 218824, 254222, 273530, 437648, 508444, 547060, 635555, 1016888, 1094120, 1271110, 2033776, 2160887, 2188240, 2542220, 4321774, 5084440, 8643548, 10168880, 10804435, 17287096, 21608870, 34574192, 43217740, 86435480, 172870960]

約数ペア:

[(1, 172870960), (2, 86435480), (4, 43217740), (5, 34574192), (8, 21608870), (10, 17287096), (16, 10804435), (17, 10168880), (20, 8643548), (34, 5084440), (40, 4321774), (68, 2542220), (79, 2188240), (80, 2160887), (85, 2033776), (136, 1271110), (158, 1094120), (170, 1016888), (272, 635555), (316, 547060), (340, 508444), (395, 437648), (632, 273530), (680, 254222), (790, 218824), (1264, 136765), (1343, 128720), (1360, 127111), (1580, 109412), (1609, 107440), (2686, 64360), (3160, 54706), (3218, 53720), (5372, 32180), (6320, 27353), (6436, 26860), (6715, 25744), (8045, 21488), (10744, 16090), (12872, 13430)]