128621760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{133981}}^1$

素因数の和:134001

約数の個数: 56

約数和(自身を含む): 408377136

約数和(自身を除く): 279755376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 133981, 267962, 401943, 535924, 669905, 803886, 1071848, 1339810, 1607772, 2009715, 2143696, 2679620, 3215544, 4019430, 4287392, 5359240, 6431088, 8038860, 8574784, 10718480, 12862176, 16077720, 21436960, 25724352, 32155440, 42873920, 64310880, 128621760]

約数ペア:

[(1, 128621760), (2, 64310880), (3, 42873920), (4, 32155440), (5, 25724352), (6, 21436960), (8, 16077720), (10, 12862176), (12, 10718480), (15, 8574784), (16, 8038860), (20, 6431088), (24, 5359240), (30, 4287392), (32, 4019430), (40, 3215544), (48, 2679620), (60, 2143696), (64, 2009715), (80, 1607772), (96, 1339810), (120, 1071848), (160, 803886), (192, 669905), (240, 535924), (320, 401943), (480, 267962), (960, 133981)]