64741360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 159989760

約数和(自身を除く): 95248400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 191, 223, 304, 380, 382, 446, 760, 764, 892, 955, 1115, 1520, 1528, 1784, 1910, 2230, 3056, 3568, 3629, 3820, 4237, 4460, 7258, 7640, 8474, 8920, 14516, 15280, 16948, 17840, 18145, 21185, 29032, 33896, 36290, 42370, 42593, 58064, 67792, 72580, 84740, 85186, 145160, 169480, 170372, 212965, 290320, 338960, 340744, 425930, 681488, 809267, 851860, 1618534, 1703720, 3237068, 3407440, 4046335, 6474136, 8092670, 12948272, 16185340, 32370680, 64741360]

約数ペア:

[(1, 64741360), (2, 32370680), (4, 16185340), (5, 12948272), (8, 8092670), (10, 6474136), (16, 4046335), (19, 3407440), (20, 3237068), (38, 1703720), (40, 1618534), (76, 851860), (80, 809267), (95, 681488), (152, 425930), (190, 340744), (191, 338960), (223, 290320), (304, 212965), (380, 170372), (382, 169480), (446, 145160), (760, 85186), (764, 84740), (892, 72580), (955, 67792), (1115, 58064), (1520, 42593), (1528, 42370), (1784, 36290), (1910, 33896), (2230, 29032), (3056, 21185), (3568, 18145), (3629, 17840), (3820, 16948), (4237, 15280), (4460, 14516), (7258, 8920), (7640, 8474)]