2905125120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{252181}}^1$

素因数の和:252208

約数の個数: 108

約数和(自身を含む): 10051470156

約数和(自身を除く): 7146345036

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, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 252181, 504362, 756543, 1008724, 1260905, 1513086, 2017448, 2269629, 2521810, 3026172, 3782715, 4034896, 4539258, 5043620, 6052344, 7565430, 8069792, 9078516, 10087240, 11348145, 12104688, 15130860, 16139584, 18157032, 20174480, 22696290, 24209376, 30261720, 32279168, 36314064, 40348960, 45392580, 48418752, 60523440, 64558336, 72628128, 80697920, 90785160, 96837504, 121046880, 145256256, 161395840, 181570320, 193675008, 242093760, 290512512, 322791680, 363140640, 484187520, 581025024, 726281280, 968375040, 1452562560, 2905125120]

約数ペア:

[(1, 2905125120), (2, 1452562560), (3, 968375040), (4, 726281280), (5, 581025024), (6, 484187520), (8, 363140640), (9, 322791680), (10, 290512512), (12, 242093760), (15, 193675008), (16, 181570320), (18, 161395840), (20, 145256256), (24, 121046880), (30, 96837504), (32, 90785160), (36, 80697920), (40, 72628128), (45, 64558336), (48, 60523440), (60, 48418752), (64, 45392580), (72, 40348960), (80, 36314064), (90, 32279168), (96, 30261720), (120, 24209376), (128, 22696290), (144, 20174480), (160, 18157032), (180, 16139584), (192, 15130860), (240, 12104688), (256, 11348145), (288, 10087240), (320, 9078516), (360, 8069792), (384, 7565430), (480, 6052344), (576, 5043620), (640, 4539258), (720, 4034896), (768, 3782715), (960, 3026172), (1152, 2521810), (1280, 2269629), (1440, 2017448), (1920, 1513086), (2304, 1260905), (2880, 1008724), (3840, 756543), (5760, 504362), (11520, 252181)]