179627440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 444748320

約数和(自身を除く): 265120880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 269, 272, 340, 491, 538, 680, 982, 1076, 1345, 1360, 1964, 2152, 2455, 2690, 3928, 4304, 4573, 4910, 5380, 7856, 8347, 9146, 9820, 10760, 16694, 18292, 19640, 21520, 22865, 33388, 36584, 39280, 41735, 45730, 66776, 73168, 83470, 91460, 132079, 133552, 166940, 182920, 264158, 333880, 365840, 528316, 660395, 667760, 1056632, 1320790, 2113264, 2245343, 2641580, 4490686, 5283160, 8981372, 10566320, 11226715, 17962744, 22453430, 35925488, 44906860, 89813720, 179627440]

約数ペア:

[(1, 179627440), (2, 89813720), (4, 44906860), (5, 35925488), (8, 22453430), (10, 17962744), (16, 11226715), (17, 10566320), (20, 8981372), (34, 5283160), (40, 4490686), (68, 2641580), (80, 2245343), (85, 2113264), (136, 1320790), (170, 1056632), (269, 667760), (272, 660395), (340, 528316), (491, 365840), (538, 333880), (680, 264158), (982, 182920), (1076, 166940), (1345, 133552), (1360, 132079), (1964, 91460), (2152, 83470), (2455, 73168), (2690, 66776), (3928, 45730), (4304, 41735), (4573, 39280), (4910, 36584), (5380, 33388), (7856, 22865), (8347, 21520), (9146, 19640), (9820, 18292), (10760, 16694)]