256235520

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 192

約数和(自身を含む): 864864000

約数和(自身を除く): 608628480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 439, 456, 480, 512, 570, 608, 640, 760, 768, 878, 912, 960, 1024, 1140, 1216, 1280, 1317, 1520, 1536, 1756, 1824, 1920, 2048, 2195, 2280, 2432, 2560, 2634, 3040, 3072, 3512, 3648, 3840, 4390, 4560, 4864, 5120, 5268, 6080, 6144, 6585, 7024, 7296, 7680, 8341, 8780, 9120, 9728, 10240, 10536, 12160, 13170, 14048, 14592, 15360, 16682, 17560, 18240, 19456, 21072, 24320, 25023, 26340, 28096, 29184, 30720, 33364, 35120, 36480, 38912, 41705, 42144, 48640, 50046, 52680, 56192, 58368, 66728, 70240, 72960, 83410, 84288, 97280, 100092, 105360, 112384, 116736, 125115, 133456, 140480, 145920, 166820, 168576, 194560, 200184, 210720, 224768, 250230, 266912, 280960, 291840, 333640, 337152, 400368, 421440, 449536, 500460, 533824, 561920, 583680, 667280, 674304, 800736, 842880, 899072, 1000920, 1067648, 1123840, 1334560, 1348608, 1601472, 1685760, 2001840, 2135296, 2247680, 2669120, 2697216, 3202944, 3371520, 4003680, 4270592, 4495360, 5338240, 6405888, 6743040, 8007360, 8541184, 10676480, 12811776, 13486080, 16014720, 17082368, 21352960, 25623552, 32029440, 42705920, 51247104, 64058880, 85411840, 128117760, 256235520]

約数ペア:

[(1, 256235520), (2, 128117760), (3, 85411840), (4, 64058880), (5, 51247104), (6, 42705920), (8, 32029440), (10, 25623552), (12, 21352960), (15, 17082368), (16, 16014720), (19, 13486080), (20, 12811776), (24, 10676480), (30, 8541184), (32, 8007360), (38, 6743040), (40, 6405888), (48, 5338240), (57, 4495360), (60, 4270592), (64, 4003680), (76, 3371520), (80, 3202944), (95, 2697216), (96, 2669120), (114, 2247680), (120, 2135296), (128, 2001840), (152, 1685760), (160, 1601472), (190, 1348608), (192, 1334560), (228, 1123840), (240, 1067648), (256, 1000920), (285, 899072), (304, 842880), (320, 800736), (380, 674304), (384, 667280), (439, 583680), (456, 561920), (480, 533824), (512, 500460), (570, 449536), (608, 421440), (640, 400368), (760, 337152), (768, 333640), (878, 291840), (912, 280960), (960, 266912), (1024, 250230), (1140, 224768), (1216, 210720), (1280, 200184), (1317, 194560), (1520, 168576), (1536, 166820), (1756, 145920), (1824, 140480), (1920, 133456), (2048, 125115), (2195, 116736), (2280, 112384), (2432, 105360), (2560, 100092), (2634, 97280), (3040, 84288), (3072, 83410), (3512, 72960), (3648, 70240), (3840, 66728), (4390, 58368), (4560, 56192), (4864, 52680), (5120, 50046), (5268, 48640), (6080, 42144), (6144, 41705), (6585, 38912), (7024, 36480), (7296, 35120), (7680, 33364), (8341, 30720), (8780, 29184), (9120, 28096), (9728, 26340), (10240, 25023), (10536, 24320), (12160, 21072), (13170, 19456), (14048, 18240), (14592, 17560), (15360, 16682)]