551408760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{31259}}^1$

素因数の和:31290

約数の個数: 144

約数和(自身を含む): 2084729400

約数和(自身を除く): 1533320640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 31259, 62518, 93777, 125036, 156295, 187554, 218813, 250072, 281331, 312590, 375108, 437626, 468885, 562662, 625180, 656439, 750216, 875252, 937770, 1094065, 1125324, 1250360, 1312878, 1406655, 1531691, 1750504, 1875540, 1969317, 2188130, 2250648, 2625756, 2813310, 3063382, 3282195, 3751080, 3938634, 4376260, 4595073, 5251512, 5626620, 6126764, 6564390, 7658455, 7877268, 8752520, 9190146, 9846585, 11253240, 12253528, 13128780, 13785219, 15316910, 15754536, 18380292, 19693170, 22975365, 26257560, 27570438, 30633820, 36760584, 39386340, 45950730, 55140876, 61267640, 68926095, 78772680, 91901460, 110281752, 137852190, 183802920, 275704380, 551408760]

約数ペア:

[(1, 551408760), (2, 275704380), (3, 183802920), (4, 137852190), (5, 110281752), (6, 91901460), (7, 78772680), (8, 68926095), (9, 61267640), (10, 55140876), (12, 45950730), (14, 39386340), (15, 36760584), (18, 30633820), (20, 27570438), (21, 26257560), (24, 22975365), (28, 19693170), (30, 18380292), (35, 15754536), (36, 15316910), (40, 13785219), (42, 13128780), (45, 12253528), (49, 11253240), (56, 9846585), (60, 9190146), (63, 8752520), (70, 7877268), (72, 7658455), (84, 6564390), (90, 6126764), (98, 5626620), (105, 5251512), (120, 4595073), (126, 4376260), (140, 3938634), (147, 3751080), (168, 3282195), (180, 3063382), (196, 2813310), (210, 2625756), (245, 2250648), (252, 2188130), (280, 1969317), (294, 1875540), (315, 1750504), (360, 1531691), (392, 1406655), (420, 1312878), (441, 1250360), (490, 1125324), (504, 1094065), (588, 937770), (630, 875252), (735, 750216), (840, 656439), (882, 625180), (980, 562662), (1176, 468885), (1260, 437626), (1470, 375108), (1764, 312590), (1960, 281331), (2205, 250072), (2520, 218813), (2940, 187554), (3528, 156295), (4410, 125036), (5880, 93777), (8820, 62518), (17640, 31259)]