251735040

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{607}}^1$

素因数の和:644

約数の個数: 220

約数和(自身を含む): 903562176

約数和(自身を除く): 651827136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 607, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1214, 1280, 1296, 1440, 1536, 1620, 1728, 1821, 1920, 2160, 2304, 2428, 2560, 2592, 2880, 3035, 3072, 3240, 3456, 3642, 3840, 4320, 4608, 4856, 5120, 5184, 5463, 5760, 6070, 6480, 6912, 7284, 7680, 8640, 9105, 9216, 9712, 10368, 10926, 11520, 12140, 12960, 13824, 14568, 15360, 16389, 17280, 18210, 19424, 20736, 21852, 23040, 24280, 25920, 27315, 27648, 29136, 32778, 34560, 36420, 38848, 41472, 43704, 46080, 48560, 49167, 51840, 54630, 58272, 65556, 69120, 72840, 77696, 81945, 82944, 87408, 97120, 98334, 103680, 109260, 116544, 131112, 138240, 145680, 155392, 163890, 174816, 194240, 196668, 207360, 218520, 233088, 245835, 262224, 291360, 310784, 327780, 349632, 388480, 393336, 414720, 437040, 466176, 491670, 524448, 582720, 621568, 655560, 699264, 776960, 786672, 874080, 932352, 983340, 1048896, 1165440, 1311120, 1398528, 1553920, 1573344, 1748160, 1864704, 1966680, 2097792, 2330880, 2622240, 2797056, 3107840, 3146688, 3496320, 3933360, 4195584, 4661760, 5244480, 5594112, 6293376, 6992640, 7866720, 8391168, 9323520, 10488960, 12586752, 13985280, 15733440, 16782336, 20977920, 25173504, 27970560, 31466880, 41955840, 50347008, 62933760, 83911680, 125867520, 251735040]

約数ペア:

[(1, 251735040), (2, 125867520), (3, 83911680), (4, 62933760), (5, 50347008), (6, 41955840), (8, 31466880), (9, 27970560), (10, 25173504), (12, 20977920), (15, 16782336), (16, 15733440), (18, 13985280), (20, 12586752), (24, 10488960), (27, 9323520), (30, 8391168), (32, 7866720), (36, 6992640), (40, 6293376), (45, 5594112), (48, 5244480), (54, 4661760), (60, 4195584), (64, 3933360), (72, 3496320), (80, 3146688), (81, 3107840), (90, 2797056), (96, 2622240), (108, 2330880), (120, 2097792), (128, 1966680), (135, 1864704), (144, 1748160), (160, 1573344), (162, 1553920), (180, 1398528), (192, 1311120), (216, 1165440), (240, 1048896), (256, 983340), (270, 932352), (288, 874080), (320, 786672), (324, 776960), (360, 699264), (384, 655560), (405, 621568), (432, 582720), (480, 524448), (512, 491670), (540, 466176), (576, 437040), (607, 414720), (640, 393336), (648, 388480), (720, 349632), (768, 327780), (810, 310784), (864, 291360), (960, 262224), (1024, 245835), (1080, 233088), (1152, 218520), (1214, 207360), (1280, 196668), (1296, 194240), (1440, 174816), (1536, 163890), (1620, 155392), (1728, 145680), (1821, 138240), (1920, 131112), (2160, 116544), (2304, 109260), (2428, 103680), (2560, 98334), (2592, 97120), (2880, 87408), (3035, 82944), (3072, 81945), (3240, 77696), (3456, 72840), (3642, 69120), (3840, 65556), (4320, 58272), (4608, 54630), (4856, 51840), (5120, 49167), (5184, 48560), (5463, 46080), (5760, 43704), (6070, 41472), (6480, 38848), (6912, 36420), (7284, 34560), (7680, 32778), (8640, 29136), (9105, 27648), (9216, 27315), (9712, 25920), (10368, 24280), (10926, 23040), (11520, 21852), (12140, 20736), (12960, 19424), (13824, 18210), (14568, 17280), (15360, 16389)]