813352960

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{1621}}^1$

素因数の和:1662

約数の個数: 144

約数和(自身を含む): 2271594780

約数和(自身を除く): 1458241820

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, 1621, 1792, 1960, 2048, 2240, 2560, 3136, 3242, 3584, 3920, 4480, 5120, 6272, 6484, 7168, 7840, 8105, 8960, 10240, 11347, 12544, 12968, 14336, 15680, 16210, 17920, 22694, 25088, 25936, 31360, 32420, 35840, 45388, 50176, 51872, 56735, 62720, 64840, 71680, 79429, 90776, 100352, 103744, 113470, 125440, 129680, 158858, 181552, 207488, 226940, 250880, 259360, 317716, 363104, 397145, 414976, 453880, 501760, 518720, 635432, 726208, 794290, 829952, 907760, 1037440, 1270864, 1452416, 1588580, 1659904, 1815520, 2074880, 2541728, 2904832, 3177160, 3319808, 3631040, 4149760, 5083456, 5809664, 6354320, 7262080, 8299520, 10166912, 11619328, 12708640, 14524160, 16599040, 20333824, 23238656, 25417280, 29048320, 40667648, 50834560, 58096640, 81335296, 101669120, 116193280, 162670592, 203338240, 406676480, 813352960]

約数ペア:

[(1, 813352960), (2, 406676480), (4, 203338240), (5, 162670592), (7, 116193280), (8, 101669120), (10, 81335296), (14, 58096640), (16, 50834560), (20, 40667648), (28, 29048320), (32, 25417280), (35, 23238656), (40, 20333824), (49, 16599040), (56, 14524160), (64, 12708640), (70, 11619328), (80, 10166912), (98, 8299520), (112, 7262080), (128, 6354320), (140, 5809664), (160, 5083456), (196, 4149760), (224, 3631040), (245, 3319808), (256, 3177160), (280, 2904832), (320, 2541728), (392, 2074880), (448, 1815520), (490, 1659904), (512, 1588580), (560, 1452416), (640, 1270864), (784, 1037440), (896, 907760), (980, 829952), (1024, 794290), (1120, 726208), (1280, 635432), (1568, 518720), (1621, 501760), (1792, 453880), (1960, 414976), (2048, 397145), (2240, 363104), (2560, 317716), (3136, 259360), (3242, 250880), (3584, 226940), (3920, 207488), (4480, 181552), (5120, 158858), (6272, 129680), (6484, 125440), (7168, 113470), (7840, 103744), (8105, 100352), (8960, 90776), (10240, 79429), (11347, 71680), (12544, 64840), (12968, 62720), (14336, 56735), (15680, 51872), (16210, 50176), (17920, 45388), (22694, 35840), (25088, 32420), (25936, 31360)]