161663460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{384913}}^1$

素因数の和:384932

約数の個数: 48

約数和(自身を含む): 517324416

約数和(自身を除く): 355660956

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, 384913, 769826, 1154739, 1539652, 1924565, 2309478, 2694391, 3849130, 4618956, 5388782, 5773695, 7698260, 8083173, 10777564, 11547390, 13471955, 16166346, 23094780, 26943910, 32332692, 40415865, 53887820, 80831730, 161663460]

約数ペア:

[(1, 161663460), (2, 80831730), (3, 53887820), (4, 40415865), (5, 32332692), (6, 26943910), (7, 23094780), (10, 16166346), (12, 13471955), (14, 11547390), (15, 10777564), (20, 8083173), (21, 7698260), (28, 5773695), (30, 5388782), (35, 4618956), (42, 3849130), (60, 2694391), (70, 2309478), (84, 1924565), (105, 1539652), (140, 1154739), (210, 769826), (420, 384913)]