66775120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 164989440

約数和(自身を除く): 98214320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 197, 223, 304, 380, 394, 446, 760, 788, 892, 985, 1115, 1520, 1576, 1784, 1970, 2230, 3152, 3568, 3743, 3940, 4237, 4460, 7486, 7880, 8474, 8920, 14972, 15760, 16948, 17840, 18715, 21185, 29944, 33896, 37430, 42370, 43931, 59888, 67792, 74860, 84740, 87862, 149720, 169480, 175724, 219655, 299440, 338960, 351448, 439310, 702896, 834689, 878620, 1669378, 1757240, 3338756, 3514480, 4173445, 6677512, 8346890, 13355024, 16693780, 33387560, 66775120]

約数ペア:

[(1, 66775120), (2, 33387560), (4, 16693780), (5, 13355024), (8, 8346890), (10, 6677512), (16, 4173445), (19, 3514480), (20, 3338756), (38, 1757240), (40, 1669378), (76, 878620), (80, 834689), (95, 702896), (152, 439310), (190, 351448), (197, 338960), (223, 299440), (304, 219655), (380, 175724), (394, 169480), (446, 149720), (760, 87862), (788, 84740), (892, 74860), (985, 67792), (1115, 59888), (1520, 43931), (1576, 42370), (1784, 37430), (1970, 33896), (2230, 29944), (3152, 21185), (3568, 18715), (3743, 17840), (3940, 16948), (4237, 15760), (4460, 14972), (7486, 8920), (7880, 8474)]