42195440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 113088000

約数和(自身を除く): 70892560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 499, 560, 604, 755, 998, 1057, 1208, 1510, 1996, 2114, 2416, 2495, 3020, 3493, 3992, 4228, 4990, 5285, 6040, 6986, 7984, 8456, 9980, 10570, 12080, 13972, 16912, 17465, 19960, 21140, 27944, 34930, 39920, 42280, 55888, 69860, 75349, 84560, 139720, 150698, 279440, 301396, 376745, 527443, 602792, 753490, 1054886, 1205584, 1506980, 2109772, 2637215, 3013960, 4219544, 5274430, 6027920, 8439088, 10548860, 21097720, 42195440]

約数ペア:

[(1, 42195440), (2, 21097720), (4, 10548860), (5, 8439088), (7, 6027920), (8, 5274430), (10, 4219544), (14, 3013960), (16, 2637215), (20, 2109772), (28, 1506980), (35, 1205584), (40, 1054886), (56, 753490), (70, 602792), (80, 527443), (112, 376745), (140, 301396), (151, 279440), (280, 150698), (302, 139720), (499, 84560), (560, 75349), (604, 69860), (755, 55888), (998, 42280), (1057, 39920), (1208, 34930), (1510, 27944), (1996, 21140), (2114, 19960), (2416, 17465), (2495, 16912), (3020, 13972), (3493, 12080), (3992, 10570), (4228, 9980), (4990, 8456), (5285, 7984), (6040, 6986)]