1218969600

素因数分解:

$2^{19}\times 3^1\times 5^2\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 240

約数和(自身を含む): 4160745600

約数和(自身を除く): 2941776000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 75, 80, 93, 96, 100, 120, 124, 128, 150, 155, 160, 186, 192, 200, 240, 248, 256, 300, 310, 320, 372, 384, 400, 465, 480, 496, 512, 600, 620, 640, 744, 768, 775, 800, 930, 960, 992, 1024, 1200, 1240, 1280, 1488, 1536, 1550, 1600, 1860, 1920, 1984, 2048, 2325, 2400, 2480, 2560, 2976, 3072, 3100, 3200, 3720, 3840, 3968, 4096, 4650, 4800, 4960, 5120, 5952, 6144, 6200, 6400, 7440, 7680, 7936, 8192, 9300, 9600, 9920, 10240, 11904, 12288, 12400, 12800, 14880, 15360, 15872, 16384, 18600, 19200, 19840, 20480, 23808, 24576, 24800, 25600, 29760, 30720, 31744, 32768, 37200, 38400, 39680, 40960, 47616, 49152, 49600, 51200, 59520, 61440, 63488, 65536, 74400, 76800, 79360, 81920, 95232, 98304, 99200, 102400, 119040, 122880, 126976, 131072, 148800, 153600, 158720, 163840, 190464, 196608, 198400, 204800, 238080, 245760, 253952, 262144, 297600, 307200, 317440, 327680, 380928, 393216, 396800, 409600, 476160, 491520, 507904, 524288, 595200, 614400, 634880, 655360, 761856, 786432, 793600, 819200, 952320, 983040, 1015808, 1190400, 1228800, 1269760, 1310720, 1523712, 1572864, 1587200, 1638400, 1904640, 1966080, 2031616, 2380800, 2457600, 2539520, 2621440, 3047424, 3174400, 3276800, 3809280, 3932160, 4063232, 4761600, 4915200, 5079040, 6094848, 6348800, 6553600, 7618560, 7864320, 8126464, 9523200, 9830400, 10158080, 12189696, 12697600, 13107200, 15237120, 16252928, 19046400, 19660800, 20316160, 24379392, 25395200, 30474240, 38092800, 39321600, 40632320, 48758784, 50790400, 60948480, 76185600, 81264640, 101580800, 121896960, 152371200, 203161600, 243793920, 304742400, 406323200, 609484800, 1218969600]

約数ペア:

[(1, 1218969600), (2, 609484800), (3, 406323200), (4, 304742400), (5, 243793920), (6, 203161600), (8, 152371200), (10, 121896960), (12, 101580800), (15, 81264640), (16, 76185600), (20, 60948480), (24, 50790400), (25, 48758784), (30, 40632320), (31, 39321600), (32, 38092800), (40, 30474240), (48, 25395200), (50, 24379392), (60, 20316160), (62, 19660800), (64, 19046400), (75, 16252928), (80, 15237120), (93, 13107200), (96, 12697600), (100, 12189696), (120, 10158080), (124, 9830400), (128, 9523200), (150, 8126464), (155, 7864320), (160, 7618560), (186, 6553600), (192, 6348800), (200, 6094848), (240, 5079040), (248, 4915200), (256, 4761600), (300, 4063232), (310, 3932160), (320, 3809280), (372, 3276800), (384, 3174400), (400, 3047424), (465, 2621440), (480, 2539520), (496, 2457600), (512, 2380800), (600, 2031616), (620, 1966080), (640, 1904640), (744, 1638400), (768, 1587200), (775, 1572864), (800, 1523712), (930, 1310720), (960, 1269760), (992, 1228800), (1024, 1190400), (1200, 1015808), (1240, 983040), (1280, 952320), (1488, 819200), (1536, 793600), (1550, 786432), (1600, 761856), (1860, 655360), (1920, 634880), (1984, 614400), (2048, 595200), (2325, 524288), (2400, 507904), (2480, 491520), (2560, 476160), (2976, 409600), (3072, 396800), (3100, 393216), (3200, 380928), (3720, 327680), (3840, 317440), (3968, 307200), (4096, 297600), (4650, 262144), (4800, 253952), (4960, 245760), (5120, 238080), (5952, 204800), (6144, 198400), (6200, 196608), (6400, 190464), (7440, 163840), (7680, 158720), (7936, 153600), (8192, 148800), (9300, 131072), (9600, 126976), (9920, 122880), (10240, 119040), (11904, 102400), (12288, 99200), (12400, 98304), (12800, 95232), (14880, 81920), (15360, 79360), (15872, 76800), (16384, 74400), (18600, 65536), (19200, 63488), (19840, 61440), (20480, 59520), (23808, 51200), (24576, 49600), (24800, 49152), (25600, 47616), (29760, 40960), (30720, 39680), (31744, 38400), (32768, 37200)]