1259601920

素因数分解:

$2^{18}\times 5^1\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 114

約数和(自身を含む): 3123701946

約数和(自身を除く): 1864100026

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 961, 992, 1024, 1240, 1280, 1922, 1984, 2048, 2480, 2560, 3844, 3968, 4096, 4805, 4960, 5120, 7688, 7936, 8192, 9610, 9920, 10240, 15376, 15872, 16384, 19220, 19840, 20480, 30752, 31744, 32768, 38440, 39680, 40960, 61504, 63488, 65536, 76880, 79360, 81920, 123008, 126976, 131072, 153760, 158720, 163840, 246016, 253952, 262144, 307520, 317440, 327680, 492032, 507904, 615040, 634880, 655360, 984064, 1015808, 1230080, 1269760, 1310720, 1968128, 2031616, 2460160, 2539520, 3936256, 4063232, 4920320, 5079040, 7872512, 8126464, 9840640, 10158080, 15745024, 19681280, 20316160, 31490048, 39362560, 40632320, 62980096, 78725120, 125960192, 157450240, 251920384, 314900480, 629800960, 1259601920]

約数ペア:

[(1, 1259601920), (2, 629800960), (4, 314900480), (5, 251920384), (8, 157450240), (10, 125960192), (16, 78725120), (20, 62980096), (31, 40632320), (32, 39362560), (40, 31490048), (62, 20316160), (64, 19681280), (80, 15745024), (124, 10158080), (128, 9840640), (155, 8126464), (160, 7872512), (248, 5079040), (256, 4920320), (310, 4063232), (320, 3936256), (496, 2539520), (512, 2460160), (620, 2031616), (640, 1968128), (961, 1310720), (992, 1269760), (1024, 1230080), (1240, 1015808), (1280, 984064), (1922, 655360), (1984, 634880), (2048, 615040), (2480, 507904), (2560, 492032), (3844, 327680), (3968, 317440), (4096, 307520), (4805, 262144), (4960, 253952), (5120, 246016), (7688, 163840), (7936, 158720), (8192, 153760), (9610, 131072), (9920, 126976), (10240, 123008), (15376, 81920), (15872, 79360), (16384, 76880), (19220, 65536), (19840, 63488), (20480, 61504), (30752, 40960), (31744, 39680), (32768, 38440)]