28058520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33403}}^1$

素因数の和:33424

約数の個数: 64

約数和(自身を含む): 96203520

約数和(自身を除く): 68145000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33403, 66806, 100209, 133612, 167015, 200418, 233821, 267224, 334030, 400836, 467642, 501045, 668060, 701463, 801672, 935284, 1002090, 1169105, 1336120, 1402926, 1870568, 2004180, 2338210, 2805852, 3507315, 4008360, 4676420, 5611704, 7014630, 9352840, 14029260, 28058520]

約数ペア:

[(1, 28058520), (2, 14029260), (3, 9352840), (4, 7014630), (5, 5611704), (6, 4676420), (7, 4008360), (8, 3507315), (10, 2805852), (12, 2338210), (14, 2004180), (15, 1870568), (20, 1402926), (21, 1336120), (24, 1169105), (28, 1002090), (30, 935284), (35, 801672), (40, 701463), (42, 668060), (56, 501045), (60, 467642), (70, 400836), (84, 334030), (105, 267224), (120, 233821), (140, 200418), (168, 167015), (210, 133612), (280, 100209), (420, 66806), (840, 33403)]