257780480

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5443}}^1$

素因数の和:5501

約数の個数: 72

約数和(自身を含む): 634269552

約数和(自身を除く): 376489072

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, 5443, 5920, 9472, 10886, 11840, 21772, 23680, 27215, 43544, 47360, 54430, 87088, 108860, 174176, 201391, 217720, 348352, 402782, 435440, 696704, 805564, 870880, 1006955, 1393408, 1611128, 1741760, 2013910, 3222256, 3483520, 4027820, 6444512, 6967040, 8055640, 12889024, 16111280, 25778048, 32222560, 51556096, 64445120, 128890240, 257780480]

約数ペア:

[(1, 257780480), (2, 128890240), (4, 64445120), (5, 51556096), (8, 32222560), (10, 25778048), (16, 16111280), (20, 12889024), (32, 8055640), (37, 6967040), (40, 6444512), (64, 4027820), (74, 3483520), (80, 3222256), (128, 2013910), (148, 1741760), (160, 1611128), (185, 1393408), (256, 1006955), (296, 870880), (320, 805564), (370, 696704), (592, 435440), (640, 402782), (740, 348352), (1184, 217720), (1280, 201391), (1480, 174176), (2368, 108860), (2960, 87088), (4736, 54430), (5443, 47360), (5920, 43544), (9472, 27215), (10886, 23680), (11840, 21772)]