30731520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 100662912

約数和(自身を除く): 69931392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 151, 159, 160, 192, 212, 240, 256, 265, 302, 318, 320, 384, 424, 453, 480, 530, 604, 636, 640, 755, 768, 795, 848, 906, 960, 1060, 1208, 1272, 1280, 1510, 1590, 1696, 1812, 1920, 2120, 2265, 2416, 2544, 3020, 3180, 3392, 3624, 3840, 4240, 4530, 4832, 5088, 6040, 6360, 6784, 7248, 8003, 8480, 9060, 9664, 10176, 12080, 12720, 13568, 14496, 16006, 16960, 18120, 19328, 20352, 24009, 24160, 25440, 28992, 32012, 33920, 36240, 38656, 40015, 40704, 48018, 48320, 50880, 57984, 64024, 67840, 72480, 80030, 96036, 96640, 101760, 115968, 120045, 128048, 144960, 160060, 192072, 193280, 203520, 240090, 256096, 289920, 320120, 384144, 480180, 512192, 579840, 640240, 768288, 960360, 1024384, 1280480, 1536576, 1920720, 2048768, 2560960, 3073152, 3841440, 5121920, 6146304, 7682880, 10243840, 15365760, 30731520]

約数ペア:

[(1, 30731520), (2, 15365760), (3, 10243840), (4, 7682880), (5, 6146304), (6, 5121920), (8, 3841440), (10, 3073152), (12, 2560960), (15, 2048768), (16, 1920720), (20, 1536576), (24, 1280480), (30, 1024384), (32, 960360), (40, 768288), (48, 640240), (53, 579840), (60, 512192), (64, 480180), (80, 384144), (96, 320120), (106, 289920), (120, 256096), (128, 240090), (151, 203520), (159, 193280), (160, 192072), (192, 160060), (212, 144960), (240, 128048), (256, 120045), (265, 115968), (302, 101760), (318, 96640), (320, 96036), (384, 80030), (424, 72480), (453, 67840), (480, 64024), (530, 57984), (604, 50880), (636, 48320), (640, 48018), (755, 40704), (768, 40015), (795, 38656), (848, 36240), (906, 33920), (960, 32012), (1060, 28992), (1208, 25440), (1272, 24160), (1280, 24009), (1510, 20352), (1590, 19328), (1696, 18120), (1812, 16960), (1920, 16006), (2120, 14496), (2265, 13568), (2416, 12720), (2544, 12080), (3020, 10176), (3180, 9664), (3392, 9060), (3624, 8480), (3840, 8003), (4240, 7248), (4530, 6784), (4832, 6360), (5088, 6040)]