68321820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162671}}^1$

素因数の和:162690

約数の個数: 48

約数和(自身を含む): 218631168

約数和(自身を除く): 150309348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 162671, 325342, 488013, 650684, 813355, 976026, 1138697, 1626710, 1952052, 2277394, 2440065, 3253420, 3416091, 4554788, 4880130, 5693485, 6832182, 9760260, 11386970, 13664364, 17080455, 22773940, 34160910, 68321820]

約数ペア:

[(1, 68321820), (2, 34160910), (3, 22773940), (4, 17080455), (5, 13664364), (6, 11386970), (7, 9760260), (10, 6832182), (12, 5693485), (14, 4880130), (15, 4554788), (20, 3416091), (21, 3253420), (28, 2440065), (30, 2277394), (35, 1952052), (42, 1626710), (60, 1138697), (70, 976026), (84, 813355), (105, 650684), (140, 488013), (210, 325342), (420, 162671)]