87724840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1811}}^1$

素因数の和:2002

約数の個数: 64

約数和(自身を含む): 227007360

約数和(自身を除く): 139282520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1730, 1811, 2422, 3460, 3622, 4844, 6055, 6920, 7244, 9055, 9688, 12110, 12677, 14488, 18110, 24220, 25354, 36220, 48440, 50708, 63385, 72440, 101416, 126770, 253540, 313303, 507080, 626606, 1253212, 1566515, 2193121, 2506424, 3133030, 4386242, 6266060, 8772484, 10965605, 12532120, 17544968, 21931210, 43862420, 87724840]

約数ペア:

[(1, 87724840), (2, 43862420), (4, 21931210), (5, 17544968), (7, 12532120), (8, 10965605), (10, 8772484), (14, 6266060), (20, 4386242), (28, 3133030), (35, 2506424), (40, 2193121), (56, 1566515), (70, 1253212), (140, 626606), (173, 507080), (280, 313303), (346, 253540), (692, 126770), (865, 101416), (1211, 72440), (1384, 63385), (1730, 50708), (1811, 48440), (2422, 36220), (3460, 25354), (3622, 24220), (4844, 18110), (6055, 14488), (6920, 12677), (7244, 12110), (9055, 9688)]