213570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{113}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 656640

約数和(自身を除く): 443070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 113, 126, 135, 189, 210, 226, 270, 315, 339, 378, 565, 630, 678, 791, 945, 1017, 1130, 1582, 1695, 1890, 2034, 2373, 3051, 3390, 3955, 4746, 5085, 6102, 7119, 7910, 10170, 11865, 14238, 15255, 21357, 23730, 30510, 35595, 42714, 71190, 106785, 213570]

約数ペア:

[(1, 213570), (2, 106785), (3, 71190), (5, 42714), (6, 35595), (7, 30510), (9, 23730), (10, 21357), (14, 15255), (15, 14238), (18, 11865), (21, 10170), (27, 7910), (30, 7119), (35, 6102), (42, 5085), (45, 4746), (54, 3955), (63, 3390), (70, 3051), (90, 2373), (105, 2034), (113, 1890), (126, 1695), (135, 1582), (189, 1130), (210, 1017), (226, 945), (270, 791), (315, 678), (339, 630), (378, 565)]