255960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79}}^1$

素因数の和:102

約数の個数: 80

約数和(自身を含む): 871200

約数和(自身を除く): 615240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 90, 108, 120, 135, 158, 162, 180, 216, 237, 270, 316, 324, 360, 395, 405, 474, 540, 632, 648, 711, 790, 810, 948, 1080, 1185, 1422, 1580, 1620, 1896, 2133, 2370, 2844, 3160, 3240, 3555, 4266, 4740, 5688, 6399, 7110, 8532, 9480, 10665, 12798, 14220, 17064, 21330, 25596, 28440, 31995, 42660, 51192, 63990, 85320, 127980, 255960]

約数ペア:

[(1, 255960), (2, 127980), (3, 85320), (4, 63990), (5, 51192), (6, 42660), (8, 31995), (9, 28440), (10, 25596), (12, 21330), (15, 17064), (18, 14220), (20, 12798), (24, 10665), (27, 9480), (30, 8532), (36, 7110), (40, 6399), (45, 5688), (54, 4740), (60, 4266), (72, 3555), (79, 3240), (81, 3160), (90, 2844), (108, 2370), (120, 2133), (135, 1896), (158, 1620), (162, 1580), (180, 1422), (216, 1185), (237, 1080), (270, 948), (316, 810), (324, 790), (360, 711), (395, 648), (405, 632), (474, 540)]