123258240

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{1019}}^1$

素因数の和:1054

約数の個数: 256

約数和(自身を含む): 499392000

約数和(自身を除く): 376133760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1019, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2038, 2160, 2240, 2520, 2688, 2880, 3024, 3057, 3360, 3456, 3780, 4032, 4076, 4320, 4480, 5040, 5095, 5760, 6048, 6114, 6720, 7133, 7560, 8064, 8152, 8640, 9171, 10080, 10190, 12096, 12228, 13440, 14266, 15120, 15285, 16304, 17280, 18342, 20160, 20380, 21399, 24192, 24456, 27513, 28532, 30240, 30570, 32608, 35665, 36684, 40320, 40760, 42798, 45855, 48912, 55026, 57064, 60480, 61140, 64197, 65216, 71330, 73368, 81520, 85596, 91710, 97824, 106995, 110052, 114128, 120960, 122280, 128394, 130432, 137565, 142660, 146736, 163040, 171192, 183420, 192591, 195648, 213990, 220104, 228256, 244560, 256788, 275130, 285320, 293472, 320985, 326080, 342384, 366840, 385182, 391296, 427980, 440208, 456512, 489120, 513576, 550260, 570640, 586944, 641970, 652160, 684768, 733680, 770364, 855960, 880416, 913024, 962955, 978240, 1027152, 1100520, 1141280, 1173888, 1283940, 1369536, 1467360, 1540728, 1711920, 1760832, 1925910, 1956480, 2054304, 2201040, 2282560, 2567880, 2739072, 2934720, 3081456, 3423840, 3521664, 3851820, 4108608, 4402080, 4565120, 5135760, 5869440, 6162912, 6847680, 7703640, 8217216, 8804160, 10271520, 12325824, 13695360, 15407280, 17608320, 20543040, 24651648, 30814560, 41086080, 61629120, 123258240]

約数ペア:

[(1, 123258240), (2, 61629120), (3, 41086080), (4, 30814560), (5, 24651648), (6, 20543040), (7, 17608320), (8, 15407280), (9, 13695360), (10, 12325824), (12, 10271520), (14, 8804160), (15, 8217216), (16, 7703640), (18, 6847680), (20, 6162912), (21, 5869440), (24, 5135760), (27, 4565120), (28, 4402080), (30, 4108608), (32, 3851820), (35, 3521664), (36, 3423840), (40, 3081456), (42, 2934720), (45, 2739072), (48, 2567880), (54, 2282560), (56, 2201040), (60, 2054304), (63, 1956480), (64, 1925910), (70, 1760832), (72, 1711920), (80, 1540728), (84, 1467360), (90, 1369536), (96, 1283940), (105, 1173888), (108, 1141280), (112, 1100520), (120, 1027152), (126, 978240), (128, 962955), (135, 913024), (140, 880416), (144, 855960), (160, 770364), (168, 733680), (180, 684768), (189, 652160), (192, 641970), (210, 586944), (216, 570640), (224, 550260), (240, 513576), (252, 489120), (270, 456512), (280, 440208), (288, 427980), (315, 391296), (320, 385182), (336, 366840), (360, 342384), (378, 326080), (384, 320985), (420, 293472), (432, 285320), (448, 275130), (480, 256788), (504, 244560), (540, 228256), (560, 220104), (576, 213990), (630, 195648), (640, 192591), (672, 183420), (720, 171192), (756, 163040), (840, 146736), (864, 142660), (896, 137565), (945, 130432), (960, 128394), (1008, 122280), (1019, 120960), (1080, 114128), (1120, 110052), (1152, 106995), (1260, 97824), (1344, 91710), (1440, 85596), (1512, 81520), (1680, 73368), (1728, 71330), (1890, 65216), (1920, 64197), (2016, 61140), (2038, 60480), (2160, 57064), (2240, 55026), (2520, 48912), (2688, 45855), (2880, 42798), (3024, 40760), (3057, 40320), (3360, 36684), (3456, 35665), (3780, 32608), (4032, 30570), (4076, 30240), (4320, 28532), (4480, 27513), (5040, 24456), (5095, 24192), (5760, 21399), (6048, 20380), (6114, 20160), (6720, 18342), (7133, 17280), (7560, 16304), (8064, 15285), (8152, 15120), (8640, 14266), (9171, 13440), (10080, 12228), (10190, 12096)]