17808778980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{283489}}^1$

素因数の和:283853

約数の個数: 72

約数和(自身を含む): 54174939000

約数和(自身を除く): 36366160020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 3141, 3490, 4188, 5235, 6282, 6980, 10470, 12564, 15705, 20940, 31410, 62820, 283489, 566978, 850467, 1133956, 1417445, 1700934, 2551401, 2834890, 3401868, 4252335, 5102802, 5669780, 8504670, 10205604, 12757005, 17009340, 25514010, 51028020, 98937661, 197875322, 296812983, 395750644, 494688305, 593625966, 890438949, 989376610, 1187251932, 1484064915, 1780877898, 1978753220, 2968129830, 3561755796, 4452194745, 5936259660, 8904389490, 17808778980]

約数ペア:

[(1, 17808778980), (2, 8904389490), (3, 5936259660), (4, 4452194745), (5, 3561755796), (6, 2968129830), (9, 1978753220), (10, 1780877898), (12, 1484064915), (15, 1187251932), (18, 989376610), (20, 890438949), (30, 593625966), (36, 494688305), (45, 395750644), (60, 296812983), (90, 197875322), (180, 98937661), (349, 51028020), (698, 25514010), (1047, 17009340), (1396, 12757005), (1745, 10205604), (2094, 8504670), (3141, 5669780), (3490, 5102802), (4188, 4252335), (5235, 3401868), (6282, 2834890), (6980, 2551401), (10470, 1700934), (12564, 1417445), (15705, 1133956), (20940, 850467), (31410, 566978), (62820, 283489)]