2787123200

素因数分解:

$2^{13}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 168

約数和(自身を含む): 7150851840

約数和(自身を除く): 4363728640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 439, 496, 512, 620, 640, 775, 800, 878, 992, 1024, 1240, 1280, 1550, 1600, 1756, 1984, 2048, 2195, 2480, 2560, 3100, 3200, 3512, 3968, 4096, 4390, 4960, 5120, 6200, 6400, 7024, 7936, 8192, 8780, 9920, 10240, 10975, 12400, 12800, 13609, 14048, 15872, 17560, 19840, 20480, 21950, 24800, 25600, 27218, 28096, 31744, 35120, 39680, 40960, 43900, 49600, 51200, 54436, 56192, 63488, 68045, 70240, 79360, 87800, 99200, 102400, 108872, 112384, 126976, 136090, 140480, 158720, 175600, 198400, 204800, 217744, 224768, 253952, 272180, 280960, 317440, 340225, 351200, 396800, 435488, 449536, 544360, 561920, 634880, 680450, 702400, 793600, 870976, 899072, 1088720, 1123840, 1269760, 1360900, 1404800, 1587200, 1741952, 1798144, 2177440, 2247680, 2721800, 2809600, 3174400, 3483904, 3596288, 4354880, 4495360, 5443600, 5619200, 6348800, 6967808, 8709760, 8990720, 10887200, 11238400, 13935616, 17419520, 17981440, 21774400, 22476800, 27871232, 34839040, 43548800, 44953600, 55742464, 69678080, 87097600, 89907200, 111484928, 139356160, 174195200, 278712320, 348390400, 557424640, 696780800, 1393561600, 2787123200]

約数ペア:

[(1, 2787123200), (2, 1393561600), (4, 696780800), (5, 557424640), (8, 348390400), (10, 278712320), (16, 174195200), (20, 139356160), (25, 111484928), (31, 89907200), (32, 87097600), (40, 69678080), (50, 55742464), (62, 44953600), (64, 43548800), (80, 34839040), (100, 27871232), (124, 22476800), (128, 21774400), (155, 17981440), (160, 17419520), (200, 13935616), (248, 11238400), (256, 10887200), (310, 8990720), (320, 8709760), (400, 6967808), (439, 6348800), (496, 5619200), (512, 5443600), (620, 4495360), (640, 4354880), (775, 3596288), (800, 3483904), (878, 3174400), (992, 2809600), (1024, 2721800), (1240, 2247680), (1280, 2177440), (1550, 1798144), (1600, 1741952), (1756, 1587200), (1984, 1404800), (2048, 1360900), (2195, 1269760), (2480, 1123840), (2560, 1088720), (3100, 899072), (3200, 870976), (3512, 793600), (3968, 702400), (4096, 680450), (4390, 634880), (4960, 561920), (5120, 544360), (6200, 449536), (6400, 435488), (7024, 396800), (7936, 351200), (8192, 340225), (8780, 317440), (9920, 280960), (10240, 272180), (10975, 253952), (12400, 224768), (12800, 217744), (13609, 204800), (14048, 198400), (15872, 175600), (17560, 158720), (19840, 140480), (20480, 136090), (21950, 126976), (24800, 112384), (25600, 108872), (27218, 102400), (28096, 99200), (31744, 87800), (35120, 79360), (39680, 70240), (40960, 68045), (43900, 63488), (49600, 56192), (51200, 54436)]