90570840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 284497920

約数和(自身を除く): 193927080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 97, 120, 124, 155, 186, 194, 248, 251, 291, 310, 372, 388, 465, 485, 502, 582, 620, 744, 753, 776, 930, 970, 1004, 1164, 1240, 1255, 1455, 1506, 1860, 1940, 2008, 2328, 2510, 2910, 3007, 3012, 3720, 3765, 3880, 5020, 5820, 6014, 6024, 7530, 7781, 9021, 10040, 11640, 12028, 15035, 15060, 15562, 18042, 23343, 24056, 24347, 30070, 30120, 31124, 36084, 38905, 45105, 46686, 48694, 60140, 62248, 72168, 73041, 77810, 90210, 93372, 97388, 116715, 120280, 121735, 146082, 155620, 180420, 186744, 194776, 233430, 243470, 292164, 311240, 360840, 365205, 466860, 486940, 584328, 730410, 754757, 933720, 973880, 1460820, 1509514, 2264271, 2921640, 3019028, 3773785, 4528542, 6038056, 7547570, 9057084, 11321355, 15095140, 18114168, 22642710, 30190280, 45285420, 90570840]

約数ペア:

[(1, 90570840), (2, 45285420), (3, 30190280), (4, 22642710), (5, 18114168), (6, 15095140), (8, 11321355), (10, 9057084), (12, 7547570), (15, 6038056), (20, 4528542), (24, 3773785), (30, 3019028), (31, 2921640), (40, 2264271), (60, 1509514), (62, 1460820), (93, 973880), (97, 933720), (120, 754757), (124, 730410), (155, 584328), (186, 486940), (194, 466860), (248, 365205), (251, 360840), (291, 311240), (310, 292164), (372, 243470), (388, 233430), (465, 194776), (485, 186744), (502, 180420), (582, 155620), (620, 146082), (744, 121735), (753, 120280), (776, 116715), (930, 97388), (970, 93372), (1004, 90210), (1164, 77810), (1240, 73041), (1255, 72168), (1455, 62248), (1506, 60140), (1860, 48694), (1940, 46686), (2008, 45105), (2328, 38905), (2510, 36084), (2910, 31124), (3007, 30120), (3012, 30070), (3720, 24347), (3765, 24056), (3880, 23343), (5020, 18042), (5820, 15562), (6014, 15060), (6024, 15035), (7530, 12028), (7781, 11640), (9021, 10040)]