173789720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10781}}^1$

素因数の和:10836

約数の個数: 64

約数和(自身を含む): 434730240

約数和(自身を除く): 260940520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 10781, 16120, 21562, 43124, 53905, 86248, 107810, 140153, 215620, 280306, 334211, 431240, 560612, 668422, 700765, 1121224, 1336844, 1401530, 1671055, 2673688, 2803060, 3342110, 4344743, 5606120, 6684220, 8689486, 13368440, 17378972, 21723715, 34757944, 43447430, 86894860, 173789720]

約数ペア:

[(1, 173789720), (2, 86894860), (4, 43447430), (5, 34757944), (8, 21723715), (10, 17378972), (13, 13368440), (20, 8689486), (26, 6684220), (31, 5606120), (40, 4344743), (52, 3342110), (62, 2803060), (65, 2673688), (104, 1671055), (124, 1401530), (130, 1336844), (155, 1121224), (248, 700765), (260, 668422), (310, 560612), (403, 431240), (520, 334211), (620, 280306), (806, 215620), (1240, 140153), (1612, 107810), (2015, 86248), (3224, 53905), (4030, 43124), (8060, 21562), (10781, 16120)]