12991232000

素因数分解:

$2^{11}\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1705

約数の個数: 192

約数和(自身を含む): 33484389120

約数和(自身を除く): 20493157120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 512, 620, 640, 775, 800, 992, 1000, 1024, 1240, 1280, 1550, 1600, 1637, 1984, 2000, 2048, 2480, 2560, 3100, 3200, 3274, 3875, 3968, 4000, 4960, 5120, 6200, 6400, 6548, 7750, 7936, 8000, 8185, 9920, 10240, 12400, 12800, 13096, 15500, 15872, 16000, 16370, 19840, 24800, 25600, 26192, 31000, 31744, 32000, 32740, 39680, 40925, 49600, 50747, 51200, 52384, 62000, 63488, 64000, 65480, 79360, 81850, 99200, 101494, 104768, 124000, 128000, 130960, 158720, 163700, 198400, 202988, 204625, 209536, 248000, 253735, 256000, 261920, 317440, 327400, 396800, 405976, 409250, 419072, 496000, 507470, 523840, 654800, 793600, 811952, 818500, 838144, 992000, 1014940, 1047680, 1268675, 1309600, 1587200, 1623904, 1637000, 1676288, 1984000, 2029880, 2095360, 2537350, 2619200, 3247808, 3274000, 3352576, 3968000, 4059760, 4190720, 5074700, 5238400, 6343375, 6495616, 6548000, 7936000, 8119520, 8381440, 10149400, 10476800, 12686750, 12991232, 13096000, 16239040, 16762880, 20298800, 20953600, 25373500, 25982464, 26192000, 32478080, 40597600, 41907200, 50747000, 51964928, 52384000, 64956160, 81195200, 83814400, 101494000, 103929856, 104768000, 129912320, 162390400, 202988000, 209536000, 259824640, 324780800, 405976000, 419072000, 519649280, 649561600, 811952000, 1299123200, 1623904000, 2598246400, 3247808000, 6495616000, 12991232000]

約数ペア:

[(1, 12991232000), (2, 6495616000), (4, 3247808000), (5, 2598246400), (8, 1623904000), (10, 1299123200), (16, 811952000), (20, 649561600), (25, 519649280), (31, 419072000), (32, 405976000), (40, 324780800), (50, 259824640), (62, 209536000), (64, 202988000), (80, 162390400), (100, 129912320), (124, 104768000), (125, 103929856), (128, 101494000), (155, 83814400), (160, 81195200), (200, 64956160), (248, 52384000), (250, 51964928), (256, 50747000), (310, 41907200), (320, 40597600), (400, 32478080), (496, 26192000), (500, 25982464), (512, 25373500), (620, 20953600), (640, 20298800), (775, 16762880), (800, 16239040), (992, 13096000), (1000, 12991232), (1024, 12686750), (1240, 10476800), (1280, 10149400), (1550, 8381440), (1600, 8119520), (1637, 7936000), (1984, 6548000), (2000, 6495616), (2048, 6343375), (2480, 5238400), (2560, 5074700), (3100, 4190720), (3200, 4059760), (3274, 3968000), (3875, 3352576), (3968, 3274000), (4000, 3247808), (4960, 2619200), (5120, 2537350), (6200, 2095360), (6400, 2029880), (6548, 1984000), (7750, 1676288), (7936, 1637000), (8000, 1623904), (8185, 1587200), (9920, 1309600), (10240, 1268675), (12400, 1047680), (12800, 1014940), (13096, 992000), (15500, 838144), (15872, 818500), (16000, 811952), (16370, 793600), (19840, 654800), (24800, 523840), (25600, 507470), (26192, 496000), (31000, 419072), (31744, 409250), (32000, 405976), (32740, 396800), (39680, 327400), (40925, 317440), (49600, 261920), (50747, 256000), (51200, 253735), (52384, 248000), (62000, 209536), (63488, 204625), (64000, 202988), (65480, 198400), (79360, 163700), (81850, 158720), (99200, 130960), (101494, 128000), (104768, 124000)]