251457120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 288

約数和(自身を含む): 913296384

約数和(自身を除く): 661839264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 43, 45, 48, 60, 62, 72, 80, 86, 90, 93, 96, 120, 124, 129, 131, 144, 155, 160, 172, 180, 186, 215, 240, 248, 258, 262, 279, 288, 310, 344, 360, 372, 387, 393, 430, 465, 480, 496, 516, 524, 558, 620, 645, 655, 688, 720, 744, 774, 786, 860, 930, 992, 1032, 1048, 1116, 1179, 1240, 1290, 1310, 1333, 1376, 1395, 1440, 1488, 1548, 1572, 1720, 1860, 1935, 1965, 2064, 2096, 2232, 2358, 2480, 2580, 2620, 2666, 2790, 2976, 3096, 3144, 3440, 3720, 3870, 3930, 3999, 4061, 4128, 4192, 4464, 4716, 4960, 5160, 5240, 5332, 5580, 5633, 5895, 6192, 6288, 6665, 6880, 7440, 7740, 7860, 7998, 8122, 8928, 9432, 10320, 10480, 10664, 11160, 11266, 11790, 11997, 12183, 12384, 12576, 13330, 14880, 15480, 15720, 15996, 16244, 16899, 18864, 19995, 20305, 20640, 20960, 21328, 22320, 22532, 23580, 23994, 24366, 26660, 28165, 30960, 31440, 31992, 32488, 33798, 36549, 37728, 39990, 40610, 42656, 44640, 45064, 47160, 47988, 48732, 50697, 53320, 56330, 59985, 60915, 61920, 62880, 63984, 64976, 67596, 73098, 79980, 81220, 84495, 90128, 94320, 95976, 97464, 101394, 106640, 112660, 119970, 121830, 127968, 129952, 135192, 146196, 159960, 162440, 168990, 174623, 180256, 182745, 188640, 191952, 194928, 202788, 213280, 225320, 239940, 243660, 253485, 270384, 292392, 319920, 324880, 337980, 349246, 365490, 383904, 389856, 405576, 450640, 479880, 487320, 506970, 523869, 540768, 584784, 639840, 649760, 675960, 698492, 730980, 811152, 873115, 901280, 959760, 974640, 1013940, 1047738, 1169568, 1351920, 1396984, 1461960, 1571607, 1622304, 1746230, 1919520, 1949280, 2027880, 2095476, 2619345, 2703840, 2793968, 2923920, 3143214, 3492460, 4055760, 4190952, 5238690, 5587936, 5847840, 6286428, 6984920, 7858035, 8111520, 8381904, 10477380, 12572856, 13969840, 15716070, 16763808, 20954760, 25145712, 27939680, 31432140, 41909520, 50291424, 62864280, 83819040, 125728560, 251457120]

約数ペア:

[(1, 251457120), (2, 125728560), (3, 83819040), (4, 62864280), (5, 50291424), (6, 41909520), (8, 31432140), (9, 27939680), (10, 25145712), (12, 20954760), (15, 16763808), (16, 15716070), (18, 13969840), (20, 12572856), (24, 10477380), (30, 8381904), (31, 8111520), (32, 7858035), (36, 6984920), (40, 6286428), (43, 5847840), (45, 5587936), (48, 5238690), (60, 4190952), (62, 4055760), (72, 3492460), (80, 3143214), (86, 2923920), (90, 2793968), (93, 2703840), (96, 2619345), (120, 2095476), (124, 2027880), (129, 1949280), (131, 1919520), (144, 1746230), (155, 1622304), (160, 1571607), (172, 1461960), (180, 1396984), (186, 1351920), (215, 1169568), (240, 1047738), (248, 1013940), (258, 974640), (262, 959760), (279, 901280), (288, 873115), (310, 811152), (344, 730980), (360, 698492), (372, 675960), (387, 649760), (393, 639840), (430, 584784), (465, 540768), (480, 523869), (496, 506970), (516, 487320), (524, 479880), (558, 450640), (620, 405576), (645, 389856), (655, 383904), (688, 365490), (720, 349246), (744, 337980), (774, 324880), (786, 319920), (860, 292392), (930, 270384), (992, 253485), (1032, 243660), (1048, 239940), (1116, 225320), (1179, 213280), (1240, 202788), (1290, 194928), (1310, 191952), (1333, 188640), (1376, 182745), (1395, 180256), (1440, 174623), (1488, 168990), (1548, 162440), (1572, 159960), (1720, 146196), (1860, 135192), (1935, 129952), (1965, 127968), (2064, 121830), (2096, 119970), (2232, 112660), (2358, 106640), (2480, 101394), (2580, 97464), (2620, 95976), (2666, 94320), (2790, 90128), (2976, 84495), (3096, 81220), (3144, 79980), (3440, 73098), (3720, 67596), (3870, 64976), (3930, 63984), (3999, 62880), (4061, 61920), (4128, 60915), (4192, 59985), (4464, 56330), (4716, 53320), (4960, 50697), (5160, 48732), (5240, 47988), (5332, 47160), (5580, 45064), (5633, 44640), (5895, 42656), (6192, 40610), (6288, 39990), (6665, 37728), (6880, 36549), (7440, 33798), (7740, 32488), (7860, 31992), (7998, 31440), (8122, 30960), (8928, 28165), (9432, 26660), (10320, 24366), (10480, 23994), (10664, 23580), (11160, 22532), (11266, 22320), (11790, 21328), (11997, 20960), (12183, 20640), (12384, 20305), (12576, 19995), (13330, 18864), (14880, 16899), (15480, 16244), (15720, 15996)]