254359980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{9613}}^1$

素因数の和:9645

約数の個数: 144

約数和(自身を含む): 920636640

約数和(自身を除く): 666276660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 9613, 13230, 19226, 26460, 28839, 38452, 48065, 57678, 67291, 86517, 96130, 115356, 134582, 144195, 173034, 192260, 201873, 259551, 269164, 288390, 336455, 346068, 403746, 432585, 471037, 519102, 576780, 605619, 672910, 807492, 865170, 942074, 1009365, 1038204, 1211238, 1297755, 1345820, 1413111, 1730340, 1816857, 1884148, 2018730, 2355185, 2422476, 2595510, 2826222, 3028095, 3633714, 4037460, 4239333, 4710370, 5191020, 5652444, 6056190, 7065555, 7267428, 8478666, 9084285, 9420740, 12112380, 12717999, 14131110, 16957332, 18168570, 21196665, 25435998, 28262220, 36337140, 42393330, 50871996, 63589995, 84786660, 127179990, 254359980]

約数ペア:

[(1, 254359980), (2, 127179990), (3, 84786660), (4, 63589995), (5, 50871996), (6, 42393330), (7, 36337140), (9, 28262220), (10, 25435998), (12, 21196665), (14, 18168570), (15, 16957332), (18, 14131110), (20, 12717999), (21, 12112380), (27, 9420740), (28, 9084285), (30, 8478666), (35, 7267428), (36, 7065555), (42, 6056190), (45, 5652444), (49, 5191020), (54, 4710370), (60, 4239333), (63, 4037460), (70, 3633714), (84, 3028095), (90, 2826222), (98, 2595510), (105, 2422476), (108, 2355185), (126, 2018730), (135, 1884148), (140, 1816857), (147, 1730340), (180, 1413111), (189, 1345820), (196, 1297755), (210, 1211238), (245, 1038204), (252, 1009365), (270, 942074), (294, 865170), (315, 807492), (378, 672910), (420, 605619), (441, 576780), (490, 519102), (540, 471037), (588, 432585), (630, 403746), (735, 346068), (756, 336455), (882, 288390), (945, 269164), (980, 259551), (1260, 201873), (1323, 192260), (1470, 173034), (1764, 144195), (1890, 134582), (2205, 115356), (2646, 96130), (2940, 86517), (3780, 67291), (4410, 57678), (5292, 48065), (6615, 38452), (8820, 28839), (9613, 26460), (13230, 19226)]