257862720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{268607}}^1$

素因数の和:268627

約数の個数: 56

約数和(自身を含む): 818717184

約数和(自身を除く): 560854464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 268607, 537214, 805821, 1074428, 1343035, 1611642, 2148856, 2686070, 3223284, 4029105, 4297712, 5372140, 6446568, 8058210, 8595424, 10744280, 12893136, 16116420, 17190848, 21488560, 25786272, 32232840, 42977120, 51572544, 64465680, 85954240, 128931360, 257862720]

約数ペア:

[(1, 257862720), (2, 128931360), (3, 85954240), (4, 64465680), (5, 51572544), (6, 42977120), (8, 32232840), (10, 25786272), (12, 21488560), (15, 17190848), (16, 16116420), (20, 12893136), (24, 10744280), (30, 8595424), (32, 8058210), (40, 6446568), (48, 5372140), (60, 4297712), (64, 4029105), (80, 3223284), (96, 2686070), (120, 2148856), (160, 1611642), (192, 1343035), (240, 1074428), (320, 805821), (480, 537214), (960, 268607)]