42000560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 112492800

約数和(自身を除く): 70492240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 280, 358, 419, 560, 716, 838, 895, 1253, 1432, 1676, 1790, 2095, 2506, 2864, 2933, 3352, 3580, 4190, 5012, 5866, 6265, 6704, 7160, 8380, 10024, 11732, 12530, 14320, 14665, 16760, 20048, 23464, 25060, 29330, 33520, 46928, 50120, 58660, 75001, 100240, 117320, 150002, 234640, 300004, 375005, 525007, 600008, 750010, 1050014, 1200016, 1500020, 2100028, 2625035, 3000040, 4200056, 5250070, 6000080, 8400112, 10500140, 21000280, 42000560]

約数ペア:

[(1, 42000560), (2, 21000280), (4, 10500140), (5, 8400112), (7, 6000080), (8, 5250070), (10, 4200056), (14, 3000040), (16, 2625035), (20, 2100028), (28, 1500020), (35, 1200016), (40, 1050014), (56, 750010), (70, 600008), (80, 525007), (112, 375005), (140, 300004), (179, 234640), (280, 150002), (358, 117320), (419, 100240), (560, 75001), (716, 58660), (838, 50120), (895, 46928), (1253, 33520), (1432, 29330), (1676, 25060), (1790, 23464), (2095, 20048), (2506, 16760), (2864, 14665), (2933, 14320), (3352, 12530), (3580, 11732), (4190, 10024), (5012, 8380), (5866, 7160), (6265, 6704)]