255066880

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2239}}^1$

素因数の和:2349

約数の個数: 72

約数和(自身を含む): 618105600

約数和(自身を除く): 363038720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 640, 712, 890, 1280, 1424, 1780, 2239, 2848, 3560, 4478, 5696, 7120, 8956, 11195, 11392, 14240, 17912, 22390, 22784, 28480, 35824, 44780, 56960, 71648, 89560, 113920, 143296, 179120, 199271, 286592, 358240, 398542, 573184, 716480, 797084, 996355, 1432960, 1594168, 1992710, 2865920, 3188336, 3985420, 6376672, 7970840, 12753344, 15941680, 25506688, 31883360, 51013376, 63766720, 127533440, 255066880]

約数ペア:

[(1, 255066880), (2, 127533440), (4, 63766720), (5, 51013376), (8, 31883360), (10, 25506688), (16, 15941680), (20, 12753344), (32, 7970840), (40, 6376672), (64, 3985420), (80, 3188336), (89, 2865920), (128, 1992710), (160, 1594168), (178, 1432960), (256, 996355), (320, 797084), (356, 716480), (445, 573184), (640, 398542), (712, 358240), (890, 286592), (1280, 199271), (1424, 179120), (1780, 143296), (2239, 113920), (2848, 89560), (3560, 71648), (4478, 56960), (5696, 44780), (7120, 35824), (8956, 28480), (11195, 22784), (11392, 22390), (14240, 17912)]