68980920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{911}}^1$

素因数の和:1556

約数の個数: 64

約数和(自身を含む): 207498240

約数和(自身を除く): 138517320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 631, 911, 1262, 1822, 1893, 2524, 2733, 3155, 3644, 3786, 4555, 5048, 5466, 6310, 7288, 7572, 9110, 9465, 10932, 12620, 13665, 15144, 18220, 18930, 21864, 25240, 27330, 36440, 37860, 54660, 75720, 109320, 574841, 1149682, 1724523, 2299364, 2874205, 3449046, 4598728, 5748410, 6898092, 8622615, 11496820, 13796184, 17245230, 22993640, 34490460, 68980920]

約数ペア:

[(1, 68980920), (2, 34490460), (3, 22993640), (4, 17245230), (5, 13796184), (6, 11496820), (8, 8622615), (10, 6898092), (12, 5748410), (15, 4598728), (20, 3449046), (24, 2874205), (30, 2299364), (40, 1724523), (60, 1149682), (120, 574841), (631, 109320), (911, 75720), (1262, 54660), (1822, 37860), (1893, 36440), (2524, 27330), (2733, 25240), (3155, 21864), (3644, 18930), (3786, 18220), (4555, 15144), (5048, 13665), (5466, 12620), (6310, 10932), (7288, 9465), (7572, 9110)]