80164700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 224985600

約数和(自身を除く): 144820900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 29, 35, 44, 50, 55, 58, 70, 77, 100, 110, 116, 140, 145, 154, 175, 203, 220, 275, 290, 308, 319, 350, 359, 385, 406, 550, 580, 638, 700, 718, 725, 770, 812, 1015, 1100, 1276, 1436, 1450, 1540, 1595, 1795, 1925, 2030, 2233, 2513, 2900, 3190, 3590, 3850, 3949, 4060, 4466, 5026, 5075, 6380, 7180, 7700, 7898, 7975, 8932, 8975, 10052, 10150, 10411, 11165, 12565, 15796, 15950, 17950, 19745, 20300, 20822, 22330, 25130, 27643, 31900, 35900, 39490, 41644, 44660, 50260, 52055, 55286, 55825, 62825, 72877, 78980, 98725, 104110, 110572, 111650, 114521, 125650, 138215, 145754, 197450, 208220, 223300, 229042, 251300, 260275, 276430, 291508, 364385, 394900, 458084, 520550, 552860, 572605, 691075, 728770, 801647, 1041100, 1145210, 1382150, 1457540, 1603294, 1821925, 2290420, 2764300, 2863025, 3206588, 3643850, 4008235, 5726050, 7287700, 8016470, 11452100, 16032940, 20041175, 40082350, 80164700]

約数ペア:

[(1, 80164700), (2, 40082350), (4, 20041175), (5, 16032940), (7, 11452100), (10, 8016470), (11, 7287700), (14, 5726050), (20, 4008235), (22, 3643850), (25, 3206588), (28, 2863025), (29, 2764300), (35, 2290420), (44, 1821925), (50, 1603294), (55, 1457540), (58, 1382150), (70, 1145210), (77, 1041100), (100, 801647), (110, 728770), (116, 691075), (140, 572605), (145, 552860), (154, 520550), (175, 458084), (203, 394900), (220, 364385), (275, 291508), (290, 276430), (308, 260275), (319, 251300), (350, 229042), (359, 223300), (385, 208220), (406, 197450), (550, 145754), (580, 138215), (638, 125650), (700, 114521), (718, 111650), (725, 110572), (770, 104110), (812, 98725), (1015, 78980), (1100, 72877), (1276, 62825), (1436, 55825), (1450, 55286), (1540, 52055), (1595, 50260), (1795, 44660), (1925, 41644), (2030, 39490), (2233, 35900), (2513, 31900), (2900, 27643), (3190, 25130), (3590, 22330), (3850, 20822), (3949, 20300), (4060, 19745), (4466, 17950), (5026, 15950), (5075, 15796), (6380, 12565), (7180, 11165), (7700, 10411), (7898, 10150), (7975, 10052), (8932, 8975)]