80712660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192173}}^1$

素因数の和:192192

約数の個数: 48

約数和(自身を含む): 258281856

約数和(自身を除く): 177569196

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, 192173, 384346, 576519, 768692, 960865, 1153038, 1345211, 1921730, 2306076, 2690422, 2882595, 3843460, 4035633, 5380844, 5765190, 6726055, 8071266, 11530380, 13452110, 16142532, 20178165, 26904220, 40356330, 80712660]

約数ペア:

[(1, 80712660), (2, 40356330), (3, 26904220), (4, 20178165), (5, 16142532), (6, 13452110), (7, 11530380), (10, 8071266), (12, 6726055), (14, 5765190), (15, 5380844), (20, 4035633), (21, 3843460), (28, 2882595), (30, 2690422), (35, 2306076), (42, 1921730), (60, 1345211), (70, 1153038), (84, 960865), (105, 768692), (140, 576519), (210, 384346), (420, 192173)]