19991554560

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{867689}}^1$

素因数の和:867718

約数の個数: 120

約数和(自身を含む): 69236455860

約数和(自身を除く): 49244901300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 867689, 1735378, 2603067, 3470756, 4338445, 5206134, 6941512, 7809201, 8676890, 10412268, 13015335, 13883024, 15618402, 17353780, 20824536, 26030670, 27766048, 31236804, 34707560, 39046005, 41649072, 52061340, 55532096, 62473608, 69415120, 78092010, 83298144, 104122680, 111064192, 124947216, 138830240, 156184020, 166596288, 208245360, 222128384, 249894432, 277660480, 312368040, 333192576, 416490720, 444256768, 499788864, 555320960, 624736080, 666385152, 832981440, 999577728, 1110641920, 1249472160, 1332770304, 1665962880, 1999155456, 2221283840, 2498944320, 3331925760, 3998310912, 4997888640, 6663851520, 9995777280, 19991554560]

約数ペア:

[(1, 19991554560), (2, 9995777280), (3, 6663851520), (4, 4997888640), (5, 3998310912), (6, 3331925760), (8, 2498944320), (9, 2221283840), (10, 1999155456), (12, 1665962880), (15, 1332770304), (16, 1249472160), (18, 1110641920), (20, 999577728), (24, 832981440), (30, 666385152), (32, 624736080), (36, 555320960), (40, 499788864), (45, 444256768), (48, 416490720), (60, 333192576), (64, 312368040), (72, 277660480), (80, 249894432), (90, 222128384), (96, 208245360), (120, 166596288), (128, 156184020), (144, 138830240), (160, 124947216), (180, 111064192), (192, 104122680), (240, 83298144), (256, 78092010), (288, 69415120), (320, 62473608), (360, 55532096), (384, 52061340), (480, 41649072), (512, 39046005), (576, 34707560), (640, 31236804), (720, 27766048), (768, 26030670), (960, 20824536), (1152, 17353780), (1280, 15618402), (1440, 13883024), (1536, 13015335), (1920, 10412268), (2304, 8676890), (2560, 7809201), (2880, 6941512), (3840, 5206134), (4608, 4338445), (5760, 3470756), (7680, 2603067), (11520, 1735378), (23040, 867689)]