171237780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:623

約数の個数: 192

約数和(自身を含む): 616896000

約数和(自身を除く): 445658220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 89, 90, 105, 108, 126, 135, 140, 178, 180, 189, 210, 252, 267, 270, 315, 356, 378, 420, 445, 509, 534, 540, 623, 630, 756, 801, 890, 945, 1018, 1068, 1246, 1260, 1335, 1527, 1602, 1780, 1869, 1890, 2036, 2403, 2492, 2545, 2670, 3054, 3115, 3204, 3563, 3738, 3780, 4005, 4581, 4806, 5090, 5340, 5607, 6108, 6230, 7126, 7476, 7635, 8010, 9162, 9345, 9612, 10180, 10689, 11214, 12015, 12460, 13743, 14252, 15270, 16020, 16821, 17815, 18324, 18690, 21378, 22428, 22905, 24030, 27486, 28035, 30540, 32067, 33642, 35630, 37380, 42756, 45301, 45810, 48060, 53445, 54972, 56070, 64134, 67284, 68715, 71260, 84105, 90602, 91620, 96201, 106890, 112140, 128268, 135903, 137430, 160335, 168210, 181204, 192402, 213780, 226505, 271806, 274860, 317107, 320670, 336420, 384804, 407709, 453010, 481005, 543612, 634214, 641340, 679515, 815418, 906020, 951321, 962010, 1223127, 1268428, 1359030, 1585535, 1630836, 1902642, 1924020, 2038545, 2446254, 2718060, 2853963, 3171070, 3805284, 4077090, 4756605, 4892508, 5707926, 6115635, 6342140, 8154180, 8561889, 9513210, 11415852, 12231270, 14269815, 17123778, 19026420, 24462540, 28539630, 34247556, 42809445, 57079260, 85618890, 171237780]

約数ペア:

[(1, 171237780), (2, 85618890), (3, 57079260), (4, 42809445), (5, 34247556), (6, 28539630), (7, 24462540), (9, 19026420), (10, 17123778), (12, 14269815), (14, 12231270), (15, 11415852), (18, 9513210), (20, 8561889), (21, 8154180), (27, 6342140), (28, 6115635), (30, 5707926), (35, 4892508), (36, 4756605), (42, 4077090), (45, 3805284), (54, 3171070), (60, 2853963), (63, 2718060), (70, 2446254), (84, 2038545), (89, 1924020), (90, 1902642), (105, 1630836), (108, 1585535), (126, 1359030), (135, 1268428), (140, 1223127), (178, 962010), (180, 951321), (189, 906020), (210, 815418), (252, 679515), (267, 641340), (270, 634214), (315, 543612), (356, 481005), (378, 453010), (420, 407709), (445, 384804), (509, 336420), (534, 320670), (540, 317107), (623, 274860), (630, 271806), (756, 226505), (801, 213780), (890, 192402), (945, 181204), (1018, 168210), (1068, 160335), (1246, 137430), (1260, 135903), (1335, 128268), (1527, 112140), (1602, 106890), (1780, 96201), (1869, 91620), (1890, 90602), (2036, 84105), (2403, 71260), (2492, 68715), (2545, 67284), (2670, 64134), (3054, 56070), (3115, 54972), (3204, 53445), (3563, 48060), (3738, 45810), (3780, 45301), (4005, 42756), (4581, 37380), (4806, 35630), (5090, 33642), (5340, 32067), (5607, 30540), (6108, 28035), (6230, 27486), (7126, 24030), (7476, 22905), (7635, 22428), (8010, 21378), (9162, 18690), (9345, 18324), (9612, 17815), (10180, 16821), (10689, 16020), (11214, 15270), (12015, 14252), (12460, 13743)]