84178920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{100213}}^1$

素因数の和:100234

約数の個数: 64

約数和(自身を含む): 288616320

約数和(自身を除く): 204437400

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, 100213, 200426, 300639, 400852, 501065, 601278, 701491, 801704, 1002130, 1202556, 1402982, 1503195, 2004260, 2104473, 2405112, 2805964, 3006390, 3507455, 4008520, 4208946, 5611928, 6012780, 7014910, 8417892, 10522365, 12025560, 14029820, 16835784, 21044730, 28059640, 42089460, 84178920]

約数ペア:

[(1, 84178920), (2, 42089460), (3, 28059640), (4, 21044730), (5, 16835784), (6, 14029820), (7, 12025560), (8, 10522365), (10, 8417892), (12, 7014910), (14, 6012780), (15, 5611928), (20, 4208946), (21, 4008520), (24, 3507455), (28, 3006390), (30, 2805964), (35, 2405112), (40, 2104473), (42, 2004260), (56, 1503195), (60, 1402982), (70, 1202556), (84, 1002130), (105, 801704), (120, 701491), (140, 601278), (168, 501065), (210, 400852), (280, 300639), (420, 200426), (840, 100213)]