79372880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 80

約数和(自身を含む): 197011200

約数和(自身を除く): 117638320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 632, 661, 760, 790, 1264, 1322, 1501, 1520, 1580, 2644, 3002, 3160, 3305, 5288, 6004, 6320, 6610, 7505, 10576, 12008, 12559, 13220, 15010, 24016, 25118, 26440, 30020, 50236, 52219, 52880, 60040, 62795, 100472, 104438, 120080, 125590, 200944, 208876, 251180, 261095, 417752, 502360, 522190, 835504, 992161, 1004720, 1044380, 1984322, 2088760, 3968644, 4177520, 4960805, 7937288, 9921610, 15874576, 19843220, 39686440, 79372880]

約数ペア:

[(1, 79372880), (2, 39686440), (4, 19843220), (5, 15874576), (8, 9921610), (10, 7937288), (16, 4960805), (19, 4177520), (20, 3968644), (38, 2088760), (40, 1984322), (76, 1044380), (79, 1004720), (80, 992161), (95, 835504), (152, 522190), (158, 502360), (190, 417752), (304, 261095), (316, 251180), (380, 208876), (395, 200944), (632, 125590), (661, 120080), (760, 104438), (790, 100472), (1264, 62795), (1322, 60040), (1501, 52880), (1520, 52219), (1580, 50236), (2644, 30020), (3002, 26440), (3160, 25118), (3305, 24016), (5288, 15010), (6004, 13220), (6320, 12559), (6610, 12008), (7505, 10576)]