257877720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15241}}^1$

素因数の和:15305

約数の個数: 96

約数和(自身を含む): 855990720

約数和(自身を除く): 598113000

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, 15241, 16920, 30482, 45723, 60964, 76205, 91446, 121928, 137169, 152410, 182892, 228615, 274338, 304820, 365784, 457230, 548676, 609640, 685845, 716327, 914460, 1097352, 1371690, 1432654, 1828920, 2148981, 2743380, 2865308, 3581635, 4297962, 5486760, 5730616, 6446943, 7163270, 8595924, 10744905, 12893886, 14326540, 17191848, 21489810, 25787772, 28653080, 32234715, 42979620, 51575544, 64469430, 85959240, 128938860, 257877720]

約数ペア:

[(1, 257877720), (2, 128938860), (3, 85959240), (4, 64469430), (5, 51575544), (6, 42979620), (8, 32234715), (9, 28653080), (10, 25787772), (12, 21489810), (15, 17191848), (18, 14326540), (20, 12893886), (24, 10744905), (30, 8595924), (36, 7163270), (40, 6446943), (45, 5730616), (47, 5486760), (60, 4297962), (72, 3581635), (90, 2865308), (94, 2743380), (120, 2148981), (141, 1828920), (180, 1432654), (188, 1371690), (235, 1097352), (282, 914460), (360, 716327), (376, 685845), (423, 609640), (470, 548676), (564, 457230), (705, 365784), (846, 304820), (940, 274338), (1128, 228615), (1410, 182892), (1692, 152410), (1880, 137169), (2115, 121928), (2820, 91446), (3384, 76205), (4230, 60964), (5640, 45723), (8460, 30482), (15241, 16920)]