66647440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 164721600

約数和(自身を除く): 98074160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 163, 190, 269, 304, 326, 380, 538, 652, 760, 815, 1076, 1304, 1345, 1520, 1630, 2152, 2608, 2690, 3097, 3260, 4304, 5111, 5380, 6194, 6520, 10222, 10760, 12388, 13040, 15485, 20444, 21520, 24776, 25555, 30970, 40888, 43847, 49552, 51110, 61940, 81776, 87694, 102220, 123880, 175388, 204440, 219235, 247760, 350776, 408880, 438470, 701552, 833093, 876940, 1666186, 1753880, 3332372, 3507760, 4165465, 6664744, 8330930, 13329488, 16661860, 33323720, 66647440]

約数ペア:

[(1, 66647440), (2, 33323720), (4, 16661860), (5, 13329488), (8, 8330930), (10, 6664744), (16, 4165465), (19, 3507760), (20, 3332372), (38, 1753880), (40, 1666186), (76, 876940), (80, 833093), (95, 701552), (152, 438470), (163, 408880), (190, 350776), (269, 247760), (304, 219235), (326, 204440), (380, 175388), (538, 123880), (652, 102220), (760, 87694), (815, 81776), (1076, 61940), (1304, 51110), (1345, 49552), (1520, 43847), (1630, 40888), (2152, 30970), (2608, 25555), (2690, 24776), (3097, 21520), (3260, 20444), (4304, 15485), (5111, 13040), (5380, 12388), (6194, 10760), (6520, 10222)]