145239640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39901}}^1$

素因数の和:39932

約数の個数: 64

約数和(自身を含む): 402212160

約数和(自身を除く): 256972520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 39901, 79802, 159604, 199505, 279307, 319208, 399010, 518713, 558614, 798020, 1037426, 1117228, 1396535, 1596040, 2074852, 2234456, 2593565, 2793070, 3630991, 4149704, 5187130, 5586140, 7261982, 10374260, 11172280, 14523964, 18154955, 20748520, 29047928, 36309910, 72619820, 145239640]

約数ペア:

[(1, 145239640), (2, 72619820), (4, 36309910), (5, 29047928), (7, 20748520), (8, 18154955), (10, 14523964), (13, 11172280), (14, 10374260), (20, 7261982), (26, 5586140), (28, 5187130), (35, 4149704), (40, 3630991), (52, 2793070), (56, 2593565), (65, 2234456), (70, 2074852), (91, 1596040), (104, 1396535), (130, 1117228), (140, 1037426), (182, 798020), (260, 558614), (280, 518713), (364, 399010), (455, 319208), (520, 279307), (728, 199505), (910, 159604), (1820, 79802), (3640, 39901)]