164242680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{195527}}^1$

素因数の和:195548

約数の個数: 64

約数和(自身を含む): 563120640

約数和(自身を除く): 398877960

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, 195527, 391054, 586581, 782108, 977635, 1173162, 1368689, 1564216, 1955270, 2346324, 2737378, 2932905, 3910540, 4106067, 4692648, 5474756, 5865810, 6843445, 7821080, 8212134, 10949512, 11731620, 13686890, 16424268, 20530335, 23463240, 27373780, 32848536, 41060670, 54747560, 82121340, 164242680]

約数ペア:

[(1, 164242680), (2, 82121340), (3, 54747560), (4, 41060670), (5, 32848536), (6, 27373780), (7, 23463240), (8, 20530335), (10, 16424268), (12, 13686890), (14, 11731620), (15, 10949512), (20, 8212134), (21, 7821080), (24, 6843445), (28, 5865810), (30, 5474756), (35, 4692648), (40, 4106067), (42, 3910540), (56, 2932905), (60, 2737378), (70, 2346324), (84, 1955270), (105, 1564216), (120, 1368689), (140, 1173162), (168, 977635), (210, 782108), (280, 586581), (420, 391054), (840, 195527)]