159321780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4493}}^1$

素因数の和:4705

約数の個数: 72

約数和(自身を含む): 485837352

約数和(自身を除く): 326515572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 4493, 5910, 7092, 8865, 8986, 11820, 13479, 17730, 17972, 22465, 26958, 35460, 40437, 44930, 53916, 67395, 80874, 89860, 134790, 161748, 202185, 269580, 404370, 808740, 885121, 1770242, 2655363, 3540484, 4425605, 5310726, 7966089, 8851210, 10621452, 13276815, 15932178, 17702420, 26553630, 31864356, 39830445, 53107260, 79660890, 159321780]

約数ペア:

[(1, 159321780), (2, 79660890), (3, 53107260), (4, 39830445), (5, 31864356), (6, 26553630), (9, 17702420), (10, 15932178), (12, 13276815), (15, 10621452), (18, 8851210), (20, 7966089), (30, 5310726), (36, 4425605), (45, 3540484), (60, 2655363), (90, 1770242), (180, 885121), (197, 808740), (394, 404370), (591, 269580), (788, 202185), (985, 161748), (1182, 134790), (1773, 89860), (1970, 80874), (2364, 67395), (2955, 53916), (3546, 44930), (3940, 40437), (4493, 35460), (5910, 26958), (7092, 22465), (8865, 17972), (8986, 17730), (11820, 13479)]