675006400

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^2\times {\mathrm{439}}^1$

素因数の和:523

約数の個数: 126

約数和(自身を含む): 1720154040

約数和(自身を除く): 1045147640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 439, 496, 620, 775, 800, 878, 961, 992, 1240, 1550, 1600, 1756, 1922, 1984, 2195, 2480, 3100, 3512, 3844, 4390, 4805, 4960, 6200, 7024, 7688, 8780, 9610, 9920, 10975, 12400, 13609, 14048, 15376, 17560, 19220, 21950, 24025, 24800, 27218, 28096, 30752, 35120, 38440, 43900, 48050, 49600, 54436, 61504, 68045, 70240, 76880, 87800, 96100, 108872, 136090, 140480, 153760, 175600, 192200, 217744, 272180, 307520, 340225, 351200, 384400, 421879, 435488, 544360, 680450, 702400, 768800, 843758, 870976, 1088720, 1360900, 1537600, 1687516, 2109395, 2177440, 2721800, 3375032, 4218790, 4354880, 5443600, 6750064, 8437580, 10546975, 10887200, 13500128, 16875160, 21093950, 21774400, 27000256, 33750320, 42187900, 67500640, 84375800, 135001280, 168751600, 337503200, 675006400]

約数ペア:

[(1, 675006400), (2, 337503200), (4, 168751600), (5, 135001280), (8, 84375800), (10, 67500640), (16, 42187900), (20, 33750320), (25, 27000256), (31, 21774400), (32, 21093950), (40, 16875160), (50, 13500128), (62, 10887200), (64, 10546975), (80, 8437580), (100, 6750064), (124, 5443600), (155, 4354880), (160, 4218790), (200, 3375032), (248, 2721800), (310, 2177440), (320, 2109395), (400, 1687516), (439, 1537600), (496, 1360900), (620, 1088720), (775, 870976), (800, 843758), (878, 768800), (961, 702400), (992, 680450), (1240, 544360), (1550, 435488), (1600, 421879), (1756, 384400), (1922, 351200), (1984, 340225), (2195, 307520), (2480, 272180), (3100, 217744), (3512, 192200), (3844, 175600), (4390, 153760), (4805, 140480), (4960, 136090), (6200, 108872), (7024, 96100), (7688, 87800), (8780, 76880), (9610, 70240), (9920, 68045), (10975, 61504), (12400, 54436), (13609, 49600), (14048, 48050), (15376, 43900), (17560, 38440), (19220, 35120), (21950, 30752), (24025, 28096), (24800, 27218)]