68474560

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 168

約数和(自身を含む): 207440784

約数和(自身を除く): 138966224

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 397, 440, 448, 490, 539, 560, 616, 704, 770, 784, 794, 880, 980, 1078, 1120, 1232, 1540, 1568, 1588, 1760, 1960, 1985, 2156, 2240, 2464, 2695, 2779, 3080, 3136, 3176, 3520, 3920, 3970, 4312, 4367, 4928, 5390, 5558, 6160, 6352, 7840, 7940, 8624, 8734, 10780, 11116, 12320, 12704, 13895, 15680, 15880, 17248, 17468, 19453, 21560, 21835, 22232, 24640, 25408, 27790, 30569, 31760, 34496, 34936, 38906, 43120, 43670, 44464, 55580, 61138, 63520, 69872, 77812, 86240, 87340, 88928, 97265, 111160, 122276, 127040, 139744, 152845, 155624, 172480, 174680, 177856, 194530, 213983, 222320, 244552, 279488, 305690, 311248, 349360, 389060, 427966, 444640, 489104, 611380, 622496, 698720, 778120, 855932, 889280, 978208, 1069915, 1222760, 1244992, 1397440, 1556240, 1711864, 1956416, 2139830, 2445520, 3112480, 3423728, 4279660, 4891040, 6224960, 6847456, 8559320, 9782080, 13694912, 17118640, 34237280, 68474560]

約数ペア:

[(1, 68474560), (2, 34237280), (4, 17118640), (5, 13694912), (7, 9782080), (8, 8559320), (10, 6847456), (11, 6224960), (14, 4891040), (16, 4279660), (20, 3423728), (22, 3112480), (28, 2445520), (32, 2139830), (35, 1956416), (40, 1711864), (44, 1556240), (49, 1397440), (55, 1244992), (56, 1222760), (64, 1069915), (70, 978208), (77, 889280), (80, 855932), (88, 778120), (98, 698720), (110, 622496), (112, 611380), (140, 489104), (154, 444640), (160, 427966), (176, 389060), (196, 349360), (220, 311248), (224, 305690), (245, 279488), (280, 244552), (308, 222320), (320, 213983), (352, 194530), (385, 177856), (392, 174680), (397, 172480), (440, 155624), (448, 152845), (490, 139744), (539, 127040), (560, 122276), (616, 111160), (704, 97265), (770, 88928), (784, 87340), (794, 86240), (880, 77812), (980, 69872), (1078, 63520), (1120, 61138), (1232, 55580), (1540, 44464), (1568, 43670), (1588, 43120), (1760, 38906), (1960, 34936), (1985, 34496), (2156, 31760), (2240, 30569), (2464, 27790), (2695, 25408), (2779, 24640), (3080, 22232), (3136, 21835), (3176, 21560), (3520, 19453), (3920, 17468), (3970, 17248), (4312, 15880), (4367, 15680), (4928, 13895), (5390, 12704), (5558, 12320), (6160, 11116), (6352, 10780), (7840, 8734), (7940, 8624)]