239841280

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{239}}^1$

素因数の和:282

約数の個数: 156

約数和(自身を含む): 672317280

約数和(自身を除く): 432476000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 239, 245, 256, 280, 320, 392, 448, 478, 490, 512, 560, 640, 784, 896, 956, 980, 1024, 1120, 1195, 1280, 1568, 1673, 1792, 1912, 1960, 2048, 2240, 2390, 2560, 3136, 3346, 3584, 3824, 3920, 4096, 4480, 4780, 5120, 6272, 6692, 7168, 7648, 7840, 8365, 8960, 9560, 10240, 11711, 12544, 13384, 14336, 15296, 15680, 16730, 17920, 19120, 20480, 23422, 25088, 26768, 28672, 30592, 31360, 33460, 35840, 38240, 46844, 50176, 53536, 58555, 61184, 62720, 66920, 71680, 76480, 93688, 100352, 107072, 117110, 122368, 125440, 133840, 143360, 152960, 187376, 200704, 214144, 234220, 244736, 250880, 267680, 305920, 374752, 428288, 468440, 489472, 501760, 535360, 611840, 749504, 856576, 936880, 978944, 1003520, 1070720, 1223680, 1499008, 1713152, 1873760, 2141440, 2447360, 2998016, 3426304, 3747520, 4282880, 4894720, 5996032, 6852608, 7495040, 8565760, 11992064, 14990080, 17131520, 23984128, 29980160, 34263040, 47968256, 59960320, 119920640, 239841280]

約数ペア:

[(1, 239841280), (2, 119920640), (4, 59960320), (5, 47968256), (7, 34263040), (8, 29980160), (10, 23984128), (14, 17131520), (16, 14990080), (20, 11992064), (28, 8565760), (32, 7495040), (35, 6852608), (40, 5996032), (49, 4894720), (56, 4282880), (64, 3747520), (70, 3426304), (80, 2998016), (98, 2447360), (112, 2141440), (128, 1873760), (140, 1713152), (160, 1499008), (196, 1223680), (224, 1070720), (239, 1003520), (245, 978944), (256, 936880), (280, 856576), (320, 749504), (392, 611840), (448, 535360), (478, 501760), (490, 489472), (512, 468440), (560, 428288), (640, 374752), (784, 305920), (896, 267680), (956, 250880), (980, 244736), (1024, 234220), (1120, 214144), (1195, 200704), (1280, 187376), (1568, 152960), (1673, 143360), (1792, 133840), (1912, 125440), (1960, 122368), (2048, 117110), (2240, 107072), (2390, 100352), (2560, 93688), (3136, 76480), (3346, 71680), (3584, 66920), (3824, 62720), (3920, 61184), (4096, 58555), (4480, 53536), (4780, 50176), (5120, 46844), (6272, 38240), (6692, 35840), (7168, 33460), (7648, 31360), (7840, 30592), (8365, 28672), (8960, 26768), (9560, 25088), (10240, 23422), (11711, 20480), (12544, 19120), (13384, 17920), (14336, 16730), (15296, 15680)]