9911440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1609}}^1$

素因数の和:1640

約数の個数: 80

約数和(自身を含む): 28748160

約数和(自身を除く): 18836720

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, 1540, 1609, 3080, 3218, 6160, 6436, 8045, 11263, 12872, 16090, 17699, 22526, 25744, 32180, 35398, 45052, 56315, 64360, 70796, 88495, 90104, 112630, 123893, 128720, 141592, 176990, 180208, 225260, 247786, 283184, 353980, 450520, 495572, 619465, 707960, 901040, 991144, 1238930, 1415920, 1982288, 2477860, 4955720, 9911440]

約数ペア:

[(1, 9911440), (2, 4955720), (4, 2477860), (5, 1982288), (7, 1415920), (8, 1238930), (10, 991144), (11, 901040), (14, 707960), (16, 619465), (20, 495572), (22, 450520), (28, 353980), (35, 283184), (40, 247786), (44, 225260), (55, 180208), (56, 176990), (70, 141592), (77, 128720), (80, 123893), (88, 112630), (110, 90104), (112, 88495), (140, 70796), (154, 64360), (176, 56315), (220, 45052), (280, 35398), (308, 32180), (385, 25744), (440, 22526), (560, 17699), (616, 16090), (770, 12872), (880, 11263), (1232, 8045), (1540, 6436), (1609, 6160), (3080, 3218)]