64425840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{811}}^1$

素因数の和:1158

約数の個数: 80

約数和(自身を含む): 200570496

約数和(自身を除く): 136144656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 811, 993, 1324, 1622, 1655, 1986, 2433, 2648, 3244, 3310, 3972, 4055, 4866, 4965, 5296, 6488, 6620, 7944, 8110, 9732, 9930, 12165, 12976, 13240, 15888, 16220, 19464, 19860, 24330, 26480, 32440, 38928, 39720, 48660, 64880, 79440, 97320, 194640, 268441, 536882, 805323, 1073764, 1342205, 1610646, 2147528, 2684410, 3221292, 4026615, 4295056, 5368820, 6442584, 8053230, 10737640, 12885168, 16106460, 21475280, 32212920, 64425840]

約数ペア:

[(1, 64425840), (2, 32212920), (3, 21475280), (4, 16106460), (5, 12885168), (6, 10737640), (8, 8053230), (10, 6442584), (12, 5368820), (15, 4295056), (16, 4026615), (20, 3221292), (24, 2684410), (30, 2147528), (40, 1610646), (48, 1342205), (60, 1073764), (80, 805323), (120, 536882), (240, 268441), (331, 194640), (662, 97320), (811, 79440), (993, 64880), (1324, 48660), (1622, 39720), (1655, 38928), (1986, 32440), (2433, 26480), (2648, 24330), (3244, 19860), (3310, 19464), (3972, 16220), (4055, 15888), (4866, 13240), (4965, 12976), (5296, 12165), (6488, 9930), (6620, 9732), (7944, 8110)]