1215673210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 2288259072

約数和(自身を除く): 1072585862

約数列:

[1, 2, 5, 10, 43, 86, 113, 127, 197, 215, 226, 254, 394, 430, 565, 635, 985, 1130, 1270, 1970, 4859, 5461, 8471, 9718, 10922, 14351, 16942, 22261, 24295, 25019, 27305, 28702, 42355, 44522, 48590, 50038, 54610, 71755, 84710, 111305, 125095, 143510, 222610, 250190, 617093, 957223, 1075817, 1234186, 1914446, 2151634, 2827147, 3085465, 4786115, 5379085, 5654294, 6170930, 9572230, 10758170, 14135735, 28271470, 121567321, 243134642, 607836605, 1215673210]

約数ペア:

[(1, 1215673210), (2, 607836605), (5, 243134642), (10, 121567321), (43, 28271470), (86, 14135735), (113, 10758170), (127, 9572230), (197, 6170930), (215, 5654294), (226, 5379085), (254, 4786115), (394, 3085465), (430, 2827147), (565, 2151634), (635, 1914446), (985, 1234186), (1130, 1075817), (1270, 957223), (1970, 617093), (4859, 250190), (5461, 222610), (8471, 143510), (9718, 125095), (10922, 111305), (14351, 84710), (16942, 71755), (22261, 54610), (24295, 50038), (25019, 48590), (27305, 44522), (28702, 42355)]