138759180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:568

約数の個数: 144

約数和(自身を含む): 457158240

約数和(自身を除く): 318399060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 196, 210, 218, 245, 294, 327, 420, 433, 436, 490, 545, 588, 654, 735, 763, 866, 980, 1090, 1299, 1308, 1470, 1526, 1635, 1732, 2165, 2180, 2289, 2598, 2940, 3031, 3052, 3270, 3815, 4330, 4578, 5196, 5341, 6062, 6495, 6540, 7630, 8660, 9093, 9156, 10682, 11445, 12124, 12990, 15155, 15260, 16023, 18186, 21217, 21364, 22890, 25980, 26705, 30310, 32046, 36372, 42434, 45465, 45780, 47197, 53410, 60620, 63651, 64092, 80115, 84868, 90930, 94394, 106085, 106820, 127302, 141591, 160230, 181860, 188788, 212170, 235985, 254604, 283182, 318255, 320460, 330379, 424340, 471970, 566364, 636510, 660758, 707955, 943940, 991137, 1273020, 1321516, 1415910, 1651895, 1982274, 2312653, 2831820, 3303790, 3964548, 4625306, 4955685, 6607580, 6937959, 9250612, 9911370, 11563265, 13875918, 19822740, 23126530, 27751836, 34689795, 46253060, 69379590, 138759180]

約数ペア:

[(1, 138759180), (2, 69379590), (3, 46253060), (4, 34689795), (5, 27751836), (6, 23126530), (7, 19822740), (10, 13875918), (12, 11563265), (14, 9911370), (15, 9250612), (20, 6937959), (21, 6607580), (28, 4955685), (30, 4625306), (35, 3964548), (42, 3303790), (49, 2831820), (60, 2312653), (70, 1982274), (84, 1651895), (98, 1415910), (105, 1321516), (109, 1273020), (140, 991137), (147, 943940), (196, 707955), (210, 660758), (218, 636510), (245, 566364), (294, 471970), (327, 424340), (420, 330379), (433, 320460), (436, 318255), (490, 283182), (545, 254604), (588, 235985), (654, 212170), (735, 188788), (763, 181860), (866, 160230), (980, 141591), (1090, 127302), (1299, 106820), (1308, 106085), (1470, 94394), (1526, 90930), (1635, 84868), (1732, 80115), (2165, 64092), (2180, 63651), (2289, 60620), (2598, 53410), (2940, 47197), (3031, 45780), (3052, 45465), (3270, 42434), (3815, 36372), (4330, 32046), (4578, 30310), (5196, 26705), (5341, 25980), (6062, 22890), (6495, 21364), (6540, 21217), (7630, 18186), (8660, 16023), (9093, 15260), (9156, 15155), (10682, 12990), (11445, 12124)]