197191980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 622221600

約数和(自身を除く): 425029620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 73, 86, 90, 129, 146, 172, 180, 215, 219, 258, 292, 349, 365, 387, 430, 438, 516, 645, 657, 698, 730, 774, 860, 876, 1047, 1095, 1290, 1314, 1396, 1460, 1548, 1745, 1935, 2094, 2190, 2580, 2628, 3139, 3141, 3285, 3490, 3870, 4188, 4380, 5235, 6278, 6282, 6570, 6980, 7740, 9417, 10470, 12556, 12564, 13140, 15007, 15695, 15705, 18834, 20940, 25477, 28251, 30014, 31390, 31410, 37668, 45021, 47085, 50954, 56502, 60028, 62780, 62820, 75035, 76431, 90042, 94170, 101908, 113004, 127385, 135063, 141255, 150070, 152862, 180084, 188340, 225105, 229293, 254770, 270126, 282510, 300140, 305724, 382155, 450210, 458586, 509540, 540252, 565020, 675315, 764310, 900420, 917172, 1095511, 1146465, 1350630, 1528620, 2191022, 2292930, 2701260, 3286533, 4382044, 4585860, 5477555, 6573066, 9859599, 10955110, 13146132, 16432665, 19719198, 21910220, 32865330, 39438396, 49297995, 65730660, 98595990, 197191980]

約数ペア:

[(1, 197191980), (2, 98595990), (3, 65730660), (4, 49297995), (5, 39438396), (6, 32865330), (9, 21910220), (10, 19719198), (12, 16432665), (15, 13146132), (18, 10955110), (20, 9859599), (30, 6573066), (36, 5477555), (43, 4585860), (45, 4382044), (60, 3286533), (73, 2701260), (86, 2292930), (90, 2191022), (129, 1528620), (146, 1350630), (172, 1146465), (180, 1095511), (215, 917172), (219, 900420), (258, 764310), (292, 675315), (349, 565020), (365, 540252), (387, 509540), (430, 458586), (438, 450210), (516, 382155), (645, 305724), (657, 300140), (698, 282510), (730, 270126), (774, 254770), (860, 229293), (876, 225105), (1047, 188340), (1095, 180084), (1290, 152862), (1314, 150070), (1396, 141255), (1460, 135063), (1548, 127385), (1745, 113004), (1935, 101908), (2094, 94170), (2190, 90042), (2580, 76431), (2628, 75035), (3139, 62820), (3141, 62780), (3285, 60028), (3490, 56502), (3870, 50954), (4188, 47085), (4380, 45021), (5235, 37668), (6278, 31410), (6282, 31390), (6570, 30014), (6980, 28251), (7740, 25477), (9417, 20940), (10470, 18834), (12556, 15705), (12564, 15695), (13140, 15007)]