165909660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{395023}}^1$

素因数の和:395042

約数の個数: 48

約数和(自身を含む): 530912256

約数和(自身を除く): 365002596

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, 395023, 790046, 1185069, 1580092, 1975115, 2370138, 2765161, 3950230, 4740276, 5530322, 5925345, 7900460, 8295483, 11060644, 11850690, 13825805, 16590966, 23701380, 27651610, 33181932, 41477415, 55303220, 82954830, 165909660]

約数ペア:

[(1, 165909660), (2, 82954830), (3, 55303220), (4, 41477415), (5, 33181932), (6, 27651610), (7, 23701380), (10, 16590966), (12, 13825805), (14, 11850690), (15, 11060644), (20, 8295483), (21, 7900460), (28, 5925345), (30, 5530322), (35, 4740276), (42, 3950230), (60, 2765161), (70, 2370138), (84, 1975115), (105, 1580092), (140, 1185069), (210, 790046), (420, 395023)]