807841280

素因数分解:

$2^9\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1123}}^1$

素因数の和:1427

約数の個数: 80

約数和(自身を含む): 1945549584

約数和(自身を除く): 1137708304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 281, 320, 512, 562, 640, 1123, 1124, 1280, 1405, 2246, 2248, 2560, 2810, 4492, 4496, 5615, 5620, 8984, 8992, 11230, 11240, 17968, 17984, 22460, 22480, 35936, 35968, 44920, 44960, 71872, 71936, 89840, 89920, 143744, 143872, 179680, 179840, 287488, 315563, 359360, 359680, 574976, 631126, 718720, 719360, 1262252, 1437440, 1577815, 2524504, 2874880, 3155630, 5049008, 6311260, 10098016, 12622520, 20196032, 25245040, 40392064, 50490080, 80784128, 100980160, 161568256, 201960320, 403920640, 807841280]

約数ペア:

[(1, 807841280), (2, 403920640), (4, 201960320), (5, 161568256), (8, 100980160), (10, 80784128), (16, 50490080), (20, 40392064), (32, 25245040), (40, 20196032), (64, 12622520), (80, 10098016), (128, 6311260), (160, 5049008), (256, 3155630), (281, 2874880), (320, 2524504), (512, 1577815), (562, 1437440), (640, 1262252), (1123, 719360), (1124, 718720), (1280, 631126), (1405, 574976), (2246, 359680), (2248, 359360), (2560, 315563), (2810, 287488), (4492, 179840), (4496, 179680), (5615, 143872), (5620, 143744), (8984, 89920), (8992, 89840), (11230, 71936), (11240, 71872), (17968, 44960), (17984, 44920), (22460, 35968), (22480, 35936)]