168104580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{400249}}^1$

素因数の和:400268

約数の個数: 48

約数和(自身を含む): 537936000

約数和(自身を除く): 369831420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 400249, 800498, 1200747, 1600996, 2001245, 2401494, 2801743, 4002490, 4802988, 5603486, 6003735, 8004980, 8405229, 11206972, 12007470, 14008715, 16810458, 24014940, 28017430, 33620916, 42026145, 56034860, 84052290, 168104580]

約数ペア:

[(1, 168104580), (2, 84052290), (3, 56034860), (4, 42026145), (5, 33620916), (6, 28017430), (7, 24014940), (10, 16810458), (12, 14008715), (14, 12007470), (15, 11206972), (20, 8405229), (21, 8004980), (28, 6003735), (30, 5603486), (35, 4802988), (42, 4002490), (60, 2801743), (70, 2401494), (84, 2001245), (105, 1600996), (140, 1200747), (210, 800498), (420, 400249)]