80396340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2729}}^1$

素因数の和:3232

約数の個数: 48

約数和(自身を含む): 225650880

約数和(自身を除く): 145254540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 982, 1473, 1964, 2455, 2729, 2946, 4910, 5458, 5892, 7365, 8187, 9820, 10916, 13645, 14730, 16374, 27290, 29460, 32748, 40935, 54580, 81870, 163740, 1339939, 2679878, 4019817, 5359756, 6699695, 8039634, 13399390, 16079268, 20099085, 26798780, 40198170, 80396340]

約数ペア:

[(1, 80396340), (2, 40198170), (3, 26798780), (4, 20099085), (5, 16079268), (6, 13399390), (10, 8039634), (12, 6699695), (15, 5359756), (20, 4019817), (30, 2679878), (60, 1339939), (491, 163740), (982, 81870), (1473, 54580), (1964, 40935), (2455, 32748), (2729, 29460), (2946, 27290), (4910, 16374), (5458, 14730), (5892, 13645), (7365, 10916), (8187, 9820)]