390781260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{521}}^1$

素因数の和:1005

約数の個数: 120

約数和(自身を含む): 1230901056

約数和(自身を除く): 840119796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 463, 521, 540, 810, 926, 1042, 1389, 1563, 1620, 1852, 2084, 2315, 2605, 2778, 3126, 4167, 4630, 4689, 5210, 5556, 6252, 6945, 7815, 8334, 9260, 9378, 10420, 12501, 13890, 14067, 15630, 16668, 18756, 20835, 23445, 25002, 27780, 28134, 31260, 37503, 41670, 42201, 46890, 50004, 56268, 62505, 70335, 75006, 83340, 84402, 93780, 125010, 140670, 150012, 168804, 187515, 211005, 241223, 250020, 281340, 375030, 422010, 482446, 723669, 750060, 844020, 964892, 1206115, 1447338, 2171007, 2412230, 2894676, 3618345, 4342014, 4824460, 6513021, 7236690, 8684028, 10855035, 13026042, 14473380, 19539063, 21710070, 26052084, 32565105, 39078126, 43420140, 65130210, 78156252, 97695315, 130260420, 195390630, 390781260]

約数ペア:

[(1, 390781260), (2, 195390630), (3, 130260420), (4, 97695315), (5, 78156252), (6, 65130210), (9, 43420140), (10, 39078126), (12, 32565105), (15, 26052084), (18, 21710070), (20, 19539063), (27, 14473380), (30, 13026042), (36, 10855035), (45, 8684028), (54, 7236690), (60, 6513021), (81, 4824460), (90, 4342014), (108, 3618345), (135, 2894676), (162, 2412230), (180, 2171007), (270, 1447338), (324, 1206115), (405, 964892), (463, 844020), (521, 750060), (540, 723669), (810, 482446), (926, 422010), (1042, 375030), (1389, 281340), (1563, 250020), (1620, 241223), (1852, 211005), (2084, 187515), (2315, 168804), (2605, 150012), (2778, 140670), (3126, 125010), (4167, 93780), (4630, 84402), (4689, 83340), (5210, 75006), (5556, 70335), (6252, 62505), (6945, 56268), (7815, 50004), (8334, 46890), (9260, 42201), (9378, 41670), (10420, 37503), (12501, 31260), (13890, 28134), (14067, 27780), (15630, 25002), (16668, 23445), (18756, 20835)]