306456080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 853278720

約数和(自身を除く): 546822640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 127, 139, 140, 155, 217, 248, 254, 278, 280, 310, 434, 496, 508, 556, 560, 620, 635, 695, 868, 889, 973, 1016, 1085, 1112, 1240, 1270, 1390, 1736, 1778, 1946, 2032, 2170, 2224, 2480, 2540, 2780, 3472, 3556, 3892, 3937, 4309, 4340, 4445, 4865, 5080, 5560, 7112, 7784, 7874, 8618, 8680, 8890, 9730, 10160, 11120, 14224, 15568, 15748, 17236, 17360, 17653, 17780, 19460, 19685, 21545, 27559, 30163, 31496, 34472, 35306, 35560, 38920, 39370, 43090, 55118, 60326, 62992, 68944, 70612, 71120, 77840, 78740, 86180, 88265, 110236, 120652, 123571, 137795, 141224, 150815, 157480, 172360, 176530, 220472, 241304, 247142, 275590, 282448, 301630, 314960, 344720, 353060, 440944, 482608, 494284, 547243, 551180, 603260, 617855, 706120, 988568, 1094486, 1102360, 1206520, 1235710, 1412240, 1977136, 2188972, 2204720, 2413040, 2471420, 2736215, 3830701, 4377944, 4942840, 5472430, 7661402, 8755888, 9885680, 10944860, 15322804, 19153505, 21889720, 30645608, 38307010, 43779440, 61291216, 76614020, 153228040, 306456080]

約数ペア:

[(1, 306456080), (2, 153228040), (4, 76614020), (5, 61291216), (7, 43779440), (8, 38307010), (10, 30645608), (14, 21889720), (16, 19153505), (20, 15322804), (28, 10944860), (31, 9885680), (35, 8755888), (40, 7661402), (56, 5472430), (62, 4942840), (70, 4377944), (80, 3830701), (112, 2736215), (124, 2471420), (127, 2413040), (139, 2204720), (140, 2188972), (155, 1977136), (217, 1412240), (248, 1235710), (254, 1206520), (278, 1102360), (280, 1094486), (310, 988568), (434, 706120), (496, 617855), (508, 603260), (556, 551180), (560, 547243), (620, 494284), (635, 482608), (695, 440944), (868, 353060), (889, 344720), (973, 314960), (1016, 301630), (1085, 282448), (1112, 275590), (1240, 247142), (1270, 241304), (1390, 220472), (1736, 176530), (1778, 172360), (1946, 157480), (2032, 150815), (2170, 141224), (2224, 137795), (2480, 123571), (2540, 120652), (2780, 110236), (3472, 88265), (3556, 86180), (3892, 78740), (3937, 77840), (4309, 71120), (4340, 70612), (4445, 68944), (4865, 62992), (5080, 60326), (5560, 55118), (7112, 43090), (7784, 39370), (7874, 38920), (8618, 35560), (8680, 35306), (8890, 34472), (9730, 31496), (10160, 30163), (11120, 27559), (14224, 21545), (15568, 19685), (15748, 19460), (17236, 17780), (17360, 17653)]