2561987520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{889579}}^1$

素因数の和:889602

約数の個数: 84

約数和(自身を含む): 8812179480

約数和(自身を除く): 6250191960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 889579, 1779158, 2668737, 3558316, 4447895, 5337474, 7116632, 8006211, 8895790, 10674948, 13343685, 14233264, 16012422, 17791580, 21349896, 26687370, 28466528, 32024844, 35583160, 40031055, 42699792, 53374740, 56933056, 64049688, 71166320, 80062110, 85399584, 106749480, 128099376, 142332640, 160124220, 170799168, 213498960, 256198752, 284665280, 320248440, 426997920, 512397504, 640496880, 853995840, 1280993760, 2561987520]

約数ペア:

[(1, 2561987520), (2, 1280993760), (3, 853995840), (4, 640496880), (5, 512397504), (6, 426997920), (8, 320248440), (9, 284665280), (10, 256198752), (12, 213498960), (15, 170799168), (16, 160124220), (18, 142332640), (20, 128099376), (24, 106749480), (30, 85399584), (32, 80062110), (36, 71166320), (40, 64049688), (45, 56933056), (48, 53374740), (60, 42699792), (64, 40031055), (72, 35583160), (80, 32024844), (90, 28466528), (96, 26687370), (120, 21349896), (144, 17791580), (160, 16012422), (180, 14233264), (192, 13343685), (240, 10674948), (288, 8895790), (320, 8006211), (360, 7116632), (480, 5337474), (576, 4447895), (720, 3558316), (960, 2668737), (1440, 1779158), (2880, 889579)]