7940240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1320

約数の個数: 80

約数和(自身を含む): 23034240

約数和(自身を除く): 15094000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1289, 1540, 2578, 3080, 5156, 6160, 6445, 9023, 10312, 12890, 14179, 18046, 20624, 25780, 28358, 36092, 45115, 51560, 56716, 70895, 72184, 90230, 99253, 103120, 113432, 141790, 144368, 180460, 198506, 226864, 283580, 360920, 397012, 496265, 567160, 721840, 794024, 992530, 1134320, 1588048, 1985060, 3970120, 7940240]

約数ペア:

[(1, 7940240), (2, 3970120), (4, 1985060), (5, 1588048), (7, 1134320), (8, 992530), (10, 794024), (11, 721840), (14, 567160), (16, 496265), (20, 397012), (22, 360920), (28, 283580), (35, 226864), (40, 198506), (44, 180460), (55, 144368), (56, 141790), (70, 113432), (77, 103120), (80, 99253), (88, 90230), (110, 72184), (112, 70895), (140, 56716), (154, 51560), (176, 45115), (220, 36092), (280, 28358), (308, 25780), (385, 20624), (440, 18046), (560, 14179), (616, 12890), (770, 10312), (880, 9023), (1232, 6445), (1289, 6160), (1540, 5156), (2578, 3080)]