251287680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{2671}}^1$

素因数の和:2707

約数の個数: 192

約数和(自身を含む): 932100480

約数和(自身を除く): 680812800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2671, 2688, 2940, 3136, 3360, 3920, 4480, 4704, 5342, 5880, 6272, 6720, 7840, 8013, 9408, 10684, 11760, 13355, 13440, 15680, 16026, 18697, 18816, 21368, 23520, 26710, 31360, 32052, 37394, 40065, 42736, 47040, 53420, 56091, 64104, 74788, 80130, 85472, 93485, 94080, 106840, 112182, 128208, 130879, 149576, 160260, 170944, 186970, 213680, 224364, 256416, 261758, 280455, 299152, 320520, 341888, 373940, 392637, 427360, 448728, 512832, 523516, 560910, 598304, 641040, 654395, 747880, 785274, 854720, 897456, 1025664, 1047032, 1121820, 1196608, 1282080, 1308790, 1495760, 1570548, 1709440, 1794912, 1963185, 2094064, 2243640, 2393216, 2564160, 2617580, 2991520, 3141096, 3589824, 3926370, 4188128, 4487280, 5128320, 5235160, 5983040, 6282192, 7179648, 7852740, 8376256, 8974560, 10470320, 11966080, 12564384, 15705480, 16752512, 17949120, 20940640, 25128768, 31410960, 35898240, 41881280, 50257536, 62821920, 83762560, 125643840, 251287680]

約数ペア:

[(1, 251287680), (2, 125643840), (3, 83762560), (4, 62821920), (5, 50257536), (6, 41881280), (7, 35898240), (8, 31410960), (10, 25128768), (12, 20940640), (14, 17949120), (15, 16752512), (16, 15705480), (20, 12564384), (21, 11966080), (24, 10470320), (28, 8974560), (30, 8376256), (32, 7852740), (35, 7179648), (40, 6282192), (42, 5983040), (48, 5235160), (49, 5128320), (56, 4487280), (60, 4188128), (64, 3926370), (70, 3589824), (80, 3141096), (84, 2991520), (96, 2617580), (98, 2564160), (105, 2393216), (112, 2243640), (120, 2094064), (128, 1963185), (140, 1794912), (147, 1709440), (160, 1570548), (168, 1495760), (192, 1308790), (196, 1282080), (210, 1196608), (224, 1121820), (240, 1047032), (245, 1025664), (280, 897456), (294, 854720), (320, 785274), (336, 747880), (384, 654395), (392, 641040), (420, 598304), (448, 560910), (480, 523516), (490, 512832), (560, 448728), (588, 427360), (640, 392637), (672, 373940), (735, 341888), (784, 320520), (840, 299152), (896, 280455), (960, 261758), (980, 256416), (1120, 224364), (1176, 213680), (1344, 186970), (1470, 170944), (1568, 160260), (1680, 149576), (1920, 130879), (1960, 128208), (2240, 112182), (2352, 106840), (2671, 94080), (2688, 93485), (2940, 85472), (3136, 80130), (3360, 74788), (3920, 64104), (4480, 56091), (4704, 53420), (5342, 47040), (5880, 42736), (6272, 40065), (6720, 37394), (7840, 32052), (8013, 31360), (9408, 26710), (10684, 23520), (11760, 21368), (13355, 18816), (13440, 18697), (15680, 16026)]