144704840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 388800000

約数和(自身を除く): 244095160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 196, 199, 212, 245, 265, 280, 343, 371, 392, 398, 424, 490, 530, 686, 742, 796, 980, 995, 1060, 1372, 1393, 1484, 1592, 1715, 1855, 1960, 1990, 2120, 2597, 2744, 2786, 2968, 3430, 3710, 3980, 5194, 5572, 6860, 6965, 7420, 7960, 9751, 10388, 10547, 11144, 12985, 13720, 13930, 14840, 18179, 19502, 20776, 21094, 25970, 27860, 36358, 39004, 42188, 48755, 51940, 52735, 55720, 68257, 72716, 73829, 78008, 84376, 90895, 97510, 103880, 105470, 136514, 145432, 147658, 181790, 195020, 210940, 273028, 295316, 341285, 363580, 369145, 390040, 421880, 516803, 546056, 590632, 682570, 727160, 738290, 1033606, 1365140, 1476580, 2067212, 2584015, 2730280, 2953160, 3617621, 4134424, 5168030, 7235242, 10336060, 14470484, 18088105, 20672120, 28940968, 36176210, 72352420, 144704840]

約数ペア:

[(1, 144704840), (2, 72352420), (4, 36176210), (5, 28940968), (7, 20672120), (8, 18088105), (10, 14470484), (14, 10336060), (20, 7235242), (28, 5168030), (35, 4134424), (40, 3617621), (49, 2953160), (53, 2730280), (56, 2584015), (70, 2067212), (98, 1476580), (106, 1365140), (140, 1033606), (196, 738290), (199, 727160), (212, 682570), (245, 590632), (265, 546056), (280, 516803), (343, 421880), (371, 390040), (392, 369145), (398, 363580), (424, 341285), (490, 295316), (530, 273028), (686, 210940), (742, 195020), (796, 181790), (980, 147658), (995, 145432), (1060, 136514), (1372, 105470), (1393, 103880), (1484, 97510), (1592, 90895), (1715, 84376), (1855, 78008), (1960, 73829), (1990, 72716), (2120, 68257), (2597, 55720), (2744, 52735), (2786, 51940), (2968, 48755), (3430, 42188), (3710, 39004), (3980, 36358), (5194, 27860), (5572, 25970), (6860, 21094), (6965, 20776), (7420, 19502), (7960, 18179), (9751, 14840), (10388, 13930), (10547, 13720), (11144, 12985)]