257640840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15227}}^1$

素因数の和:15291

約数の個数: 96

約数和(自身を含む): 855204480

約数和(自身を除く): 597563640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1410, 1692, 1880, 2115, 2820, 3384, 4230, 5640, 8460, 15227, 16920, 30454, 45681, 60908, 76135, 91362, 121816, 137043, 152270, 182724, 228405, 274086, 304540, 365448, 456810, 548172, 609080, 685215, 715669, 913620, 1096344, 1370430, 1431338, 1827240, 2147007, 2740860, 2862676, 3578345, 4294014, 5481720, 5725352, 6441021, 7156690, 8588028, 10735035, 12882042, 14313380, 17176056, 21470070, 25764084, 28626760, 32205105, 42940140, 51528168, 64410210, 85880280, 128820420, 257640840]

約数ペア:

[(1, 257640840), (2, 128820420), (3, 85880280), (4, 64410210), (5, 51528168), (6, 42940140), (8, 32205105), (9, 28626760), (10, 25764084), (12, 21470070), (15, 17176056), (18, 14313380), (20, 12882042), (24, 10735035), (30, 8588028), (36, 7156690), (40, 6441021), (45, 5725352), (47, 5481720), (60, 4294014), (72, 3578345), (90, 2862676), (94, 2740860), (120, 2147007), (141, 1827240), (180, 1431338), (188, 1370430), (235, 1096344), (282, 913620), (360, 715669), (376, 685215), (423, 609080), (470, 548172), (564, 456810), (705, 365448), (846, 304540), (940, 274086), (1128, 228405), (1410, 182724), (1692, 152270), (1880, 137043), (2115, 121816), (2820, 91362), (3384, 76135), (4230, 60908), (5640, 45681), (8460, 30454), (15227, 16920)]