240545920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22109}}^1$

素因数の和:22145

約数の個数: 64

約数和(自身を含む): 608909400

約数和(自身を除く): 368363480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 22109, 44218, 88436, 110545, 176872, 221090, 353744, 375853, 442180, 707488, 751706, 884360, 1414976, 1503412, 1768720, 1879265, 2829952, 3006824, 3537440, 3758530, 6013648, 7074880, 7517060, 12027296, 14149760, 15034120, 24054592, 30068240, 48109184, 60136480, 120272960, 240545920]

約数ペア:

[(1, 240545920), (2, 120272960), (4, 60136480), (5, 48109184), (8, 30068240), (10, 24054592), (16, 15034120), (17, 14149760), (20, 12027296), (32, 7517060), (34, 7074880), (40, 6013648), (64, 3758530), (68, 3537440), (80, 3006824), (85, 2829952), (128, 1879265), (136, 1768720), (160, 1503412), (170, 1414976), (272, 884360), (320, 751706), (340, 707488), (544, 442180), (640, 375853), (680, 353744), (1088, 221090), (1360, 176872), (2176, 110545), (2720, 88436), (5440, 44218), (10880, 22109)]