81757890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3833}}^1$

素因数の和:3928

約数の個数: 64

約数和(自身を含む): 220838400

約数和(自身を除く): 139080510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 90, 135, 158, 237, 270, 395, 474, 711, 790, 1185, 1422, 2133, 2370, 3555, 3833, 4266, 7110, 7666, 10665, 11499, 19165, 21330, 22998, 34497, 38330, 57495, 68994, 103491, 114990, 172485, 206982, 302807, 344970, 517455, 605614, 908421, 1034910, 1514035, 1816842, 2725263, 3028070, 4542105, 5450526, 8175789, 9084210, 13626315, 16351578, 27252630, 40878945, 81757890]

約数ペア:

[(1, 81757890), (2, 40878945), (3, 27252630), (5, 16351578), (6, 13626315), (9, 9084210), (10, 8175789), (15, 5450526), (18, 4542105), (27, 3028070), (30, 2725263), (45, 1816842), (54, 1514035), (79, 1034910), (90, 908421), (135, 605614), (158, 517455), (237, 344970), (270, 302807), (395, 206982), (474, 172485), (711, 114990), (790, 103491), (1185, 68994), (1422, 57495), (2133, 38330), (2370, 34497), (3555, 22998), (3833, 21330), (4266, 19165), (7110, 11499), (7666, 10665)]