780824320

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{16487}}^1$

素因数の和:16545

約数の個数: 72

約数和(自身を含む): 1920983904

約数和(自身を除く): 1140159584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1480, 2368, 2960, 4736, 5920, 9472, 11840, 16487, 23680, 32974, 47360, 65948, 82435, 131896, 164870, 263792, 329740, 527584, 610019, 659480, 1055168, 1220038, 1318960, 2110336, 2440076, 2637920, 3050095, 4220672, 4880152, 5275840, 6100190, 9760304, 10551680, 12200380, 19520608, 21103360, 24400760, 39041216, 48801520, 78082432, 97603040, 156164864, 195206080, 390412160, 780824320]

約数ペア:

[(1, 780824320), (2, 390412160), (4, 195206080), (5, 156164864), (8, 97603040), (10, 78082432), (16, 48801520), (20, 39041216), (32, 24400760), (37, 21103360), (40, 19520608), (64, 12200380), (74, 10551680), (80, 9760304), (128, 6100190), (148, 5275840), (160, 4880152), (185, 4220672), (256, 3050095), (296, 2637920), (320, 2440076), (370, 2110336), (592, 1318960), (640, 1220038), (740, 1055168), (1184, 659480), (1280, 610019), (1480, 527584), (2368, 329740), (2960, 263792), (4736, 164870), (5920, 131896), (9472, 82435), (11840, 65948), (16487, 47360), (23680, 32974)]