1817374720

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{1811}}^1$

素因数の和:1854

約数の個数: 156

約数和(自身を含む): 5075995464

約数和(自身を除く): 3258620744

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, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1120, 1280, 1568, 1792, 1811, 1960, 2048, 2240, 2560, 3136, 3584, 3622, 3920, 4096, 4480, 5120, 6272, 7168, 7244, 7840, 8960, 9055, 10240, 12544, 12677, 14336, 14488, 15680, 17920, 18110, 20480, 25088, 25354, 28672, 28976, 31360, 35840, 36220, 50176, 50708, 57952, 62720, 63385, 71680, 72440, 88739, 100352, 101416, 115904, 125440, 126770, 143360, 144880, 177478, 200704, 202832, 231808, 250880, 253540, 289760, 354956, 405664, 443695, 463616, 501760, 507080, 579520, 709912, 811328, 887390, 927232, 1003520, 1014160, 1159040, 1419824, 1622656, 1774780, 1854464, 2028320, 2318080, 2839648, 3245312, 3549560, 3708928, 4056640, 4636160, 5679296, 6490624, 7099120, 7417856, 8113280, 9272320, 11358592, 12981248, 14198240, 16226560, 18544640, 22717184, 25962496, 28396480, 32453120, 37089280, 45434368, 51924992, 56792960, 64906240, 90868736, 113585920, 129812480, 181737472, 227171840, 259624960, 363474944, 454343680, 908687360, 1817374720]

約数ペア:

[(1, 1817374720), (2, 908687360), (4, 454343680), (5, 363474944), (7, 259624960), (8, 227171840), (10, 181737472), (14, 129812480), (16, 113585920), (20, 90868736), (28, 64906240), (32, 56792960), (35, 51924992), (40, 45434368), (49, 37089280), (56, 32453120), (64, 28396480), (70, 25962496), (80, 22717184), (98, 18544640), (112, 16226560), (128, 14198240), (140, 12981248), (160, 11358592), (196, 9272320), (224, 8113280), (245, 7417856), (256, 7099120), (280, 6490624), (320, 5679296), (392, 4636160), (448, 4056640), (490, 3708928), (512, 3549560), (560, 3245312), (640, 2839648), (784, 2318080), (896, 2028320), (980, 1854464), (1024, 1774780), (1120, 1622656), (1280, 1419824), (1568, 1159040), (1792, 1014160), (1811, 1003520), (1960, 927232), (2048, 887390), (2240, 811328), (2560, 709912), (3136, 579520), (3584, 507080), (3622, 501760), (3920, 463616), (4096, 443695), (4480, 405664), (5120, 354956), (6272, 289760), (7168, 253540), (7244, 250880), (7840, 231808), (8960, 202832), (9055, 200704), (10240, 177478), (12544, 144880), (12677, 143360), (14336, 126770), (14488, 125440), (15680, 115904), (17920, 101416), (18110, 100352), (20480, 88739), (25088, 72440), (25354, 71680), (28672, 63385), (28976, 62720), (31360, 57952), (35840, 50708), (36220, 50176)]