197986680

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{20369}}^1$

素因数の和:20395

約数の個数: 96

約数和(自身を含む): 667321200

約数和(自身を除く): 469334520

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, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 20369, 40738, 61107, 81476, 101845, 122214, 162952, 183321, 203690, 244428, 305535, 366642, 407380, 488856, 549963, 611070, 733284, 814760, 916605, 1099926, 1222140, 1466568, 1649889, 1833210, 2199852, 2444280, 2749815, 3299778, 3666420, 4399704, 4949667, 5499630, 6599556, 7332840, 8249445, 9899334, 10999260, 13199112, 16498890, 19798668, 21998520, 24748335, 32997780, 39597336, 49496670, 65995560, 98993340, 197986680]

約数ペア:

[(1, 197986680), (2, 98993340), (3, 65995560), (4, 49496670), (5, 39597336), (6, 32997780), (8, 24748335), (9, 21998520), (10, 19798668), (12, 16498890), (15, 13199112), (18, 10999260), (20, 9899334), (24, 8249445), (27, 7332840), (30, 6599556), (36, 5499630), (40, 4949667), (45, 4399704), (54, 3666420), (60, 3299778), (72, 2749815), (81, 2444280), (90, 2199852), (108, 1833210), (120, 1649889), (135, 1466568), (162, 1222140), (180, 1099926), (216, 916605), (243, 814760), (270, 733284), (324, 611070), (360, 549963), (405, 488856), (486, 407380), (540, 366642), (648, 305535), (810, 244428), (972, 203690), (1080, 183321), (1215, 162952), (1620, 122214), (1944, 101845), (2430, 81476), (3240, 61107), (4860, 40738), (9720, 20369)]