331091280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{907}}^1$

素因数の和:955

約数の個数: 240

約数和(自身を含む): 1236260160

約数和(自身を除く): 905168880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 169, 180, 195, 208, 216, 234, 240, 260, 270, 312, 338, 351, 360, 390, 432, 468, 507, 520, 540, 585, 624, 676, 702, 720, 780, 845, 907, 936, 1014, 1040, 1080, 1170, 1352, 1404, 1521, 1560, 1690, 1755, 1814, 1872, 2028, 2160, 2340, 2535, 2704, 2721, 2808, 3042, 3120, 3380, 3510, 3628, 4056, 4535, 4563, 4680, 5070, 5442, 5616, 6084, 6760, 7020, 7256, 7605, 8112, 8163, 9070, 9126, 9360, 10140, 10884, 11791, 12168, 13520, 13605, 14040, 14512, 15210, 16326, 18140, 18252, 20280, 21768, 22815, 23582, 24336, 24489, 27210, 28080, 30420, 32652, 35373, 36280, 36504, 40560, 40815, 43536, 45630, 47164, 48978, 54420, 58955, 60840, 65304, 70746, 72560, 73008, 81630, 91260, 94328, 97956, 106119, 108840, 117910, 121680, 122445, 130608, 141492, 153283, 163260, 176865, 182520, 188656, 195912, 212238, 217680, 235820, 244890, 282984, 306566, 318357, 326520, 353730, 365040, 391824, 424476, 459849, 471640, 489780, 530595, 565968, 613132, 636714, 653040, 707460, 766415, 848952, 919698, 943280, 979560, 1061190, 1226264, 1273428, 1379547, 1414920, 1532830, 1591785, 1697904, 1839396, 1959120, 2122380, 2299245, 2452528, 2546856, 2759094, 2829840, 3065660, 3183570, 3678792, 4138641, 4244760, 4598490, 5093712, 5518188, 6131320, 6367140, 6897735, 7357584, 8277282, 8489520, 9196980, 11036376, 12262640, 12734280, 13795470, 16554564, 18393960, 20693205, 22072752, 25468560, 27590940, 33109128, 36787920, 41386410, 55181880, 66218256, 82772820, 110363760, 165545640, 331091280]

約数ペア:

[(1, 331091280), (2, 165545640), (3, 110363760), (4, 82772820), (5, 66218256), (6, 55181880), (8, 41386410), (9, 36787920), (10, 33109128), (12, 27590940), (13, 25468560), (15, 22072752), (16, 20693205), (18, 18393960), (20, 16554564), (24, 13795470), (26, 12734280), (27, 12262640), (30, 11036376), (36, 9196980), (39, 8489520), (40, 8277282), (45, 7357584), (48, 6897735), (52, 6367140), (54, 6131320), (60, 5518188), (65, 5093712), (72, 4598490), (78, 4244760), (80, 4138641), (90, 3678792), (104, 3183570), (108, 3065660), (117, 2829840), (120, 2759094), (130, 2546856), (135, 2452528), (144, 2299245), (156, 2122380), (169, 1959120), (180, 1839396), (195, 1697904), (208, 1591785), (216, 1532830), (234, 1414920), (240, 1379547), (260, 1273428), (270, 1226264), (312, 1061190), (338, 979560), (351, 943280), (360, 919698), (390, 848952), (432, 766415), (468, 707460), (507, 653040), (520, 636714), (540, 613132), (585, 565968), (624, 530595), (676, 489780), (702, 471640), (720, 459849), (780, 424476), (845, 391824), (907, 365040), (936, 353730), (1014, 326520), (1040, 318357), (1080, 306566), (1170, 282984), (1352, 244890), (1404, 235820), (1521, 217680), (1560, 212238), (1690, 195912), (1755, 188656), (1814, 182520), (1872, 176865), (2028, 163260), (2160, 153283), (2340, 141492), (2535, 130608), (2704, 122445), (2721, 121680), (2808, 117910), (3042, 108840), (3120, 106119), (3380, 97956), (3510, 94328), (3628, 91260), (4056, 81630), (4535, 73008), (4563, 72560), (4680, 70746), (5070, 65304), (5442, 60840), (5616, 58955), (6084, 54420), (6760, 48978), (7020, 47164), (7256, 45630), (7605, 43536), (8112, 40815), (8163, 40560), (9070, 36504), (9126, 36280), (9360, 35373), (10140, 32652), (10884, 30420), (11791, 28080), (12168, 27210), (13520, 24489), (13605, 24336), (14040, 23582), (14512, 22815), (15210, 21768), (16326, 20280), (18140, 18252)]