81592420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 213147648

約数和(自身を除く): 131555228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 127, 130, 140, 182, 254, 260, 353, 364, 455, 508, 635, 706, 889, 910, 1270, 1412, 1651, 1765, 1778, 1820, 2471, 2540, 3302, 3530, 3556, 4445, 4589, 4942, 6604, 7060, 8255, 8890, 9178, 9884, 11557, 12355, 16510, 17780, 18356, 22945, 23114, 24710, 32123, 33020, 44831, 45890, 46228, 49420, 57785, 64246, 89662, 91780, 115570, 128492, 160615, 179324, 224155, 231140, 313817, 321230, 448310, 582803, 627634, 642460, 896620, 1165606, 1255268, 1569085, 2331212, 2914015, 3138170, 4079621, 5828030, 6276340, 8159242, 11656060, 16318484, 20398105, 40796210, 81592420]

約数ペア:

[(1, 81592420), (2, 40796210), (4, 20398105), (5, 16318484), (7, 11656060), (10, 8159242), (13, 6276340), (14, 5828030), (20, 4079621), (26, 3138170), (28, 2914015), (35, 2331212), (52, 1569085), (65, 1255268), (70, 1165606), (91, 896620), (127, 642460), (130, 627634), (140, 582803), (182, 448310), (254, 321230), (260, 313817), (353, 231140), (364, 224155), (455, 179324), (508, 160615), (635, 128492), (706, 115570), (889, 91780), (910, 89662), (1270, 64246), (1412, 57785), (1651, 49420), (1765, 46228), (1778, 45890), (1820, 44831), (2471, 33020), (2540, 32123), (3302, 24710), (3530, 23114), (3556, 22945), (4445, 18356), (4589, 17780), (4942, 16510), (6604, 12355), (7060, 11557), (8255, 9884), (8890, 9178)]