280847360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2931

約数の個数: 88

約数和(自身を含む): 709408320

約数和(自身を除く): 428560960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2432, 2560, 2887, 3040, 4864, 5120, 5774, 6080, 9728, 11548, 12160, 14435, 19456, 23096, 24320, 28870, 46192, 48640, 54853, 57740, 92384, 97280, 109706, 115480, 184768, 219412, 230960, 274265, 369536, 438824, 461920, 548530, 739072, 877648, 923840, 1097060, 1478144, 1755296, 1847680, 2194120, 2956288, 3510592, 3695360, 4388240, 7021184, 7390720, 8776480, 14042368, 14781440, 17552960, 28084736, 35105920, 56169472, 70211840, 140423680, 280847360]

約数ペア:

[(1, 280847360), (2, 140423680), (4, 70211840), (5, 56169472), (8, 35105920), (10, 28084736), (16, 17552960), (19, 14781440), (20, 14042368), (32, 8776480), (38, 7390720), (40, 7021184), (64, 4388240), (76, 3695360), (80, 3510592), (95, 2956288), (128, 2194120), (152, 1847680), (160, 1755296), (190, 1478144), (256, 1097060), (304, 923840), (320, 877648), (380, 739072), (512, 548530), (608, 461920), (640, 438824), (760, 369536), (1024, 274265), (1216, 230960), (1280, 219412), (1520, 184768), (2432, 115480), (2560, 109706), (2887, 97280), (3040, 92384), (4864, 57740), (5120, 54853), (5774, 48640), (6080, 46192), (9728, 28870), (11548, 24320), (12160, 23096), (14435, 19456)]