221520960

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{25639}}^1$

素因数の和:25665

約数の個数: 112

約数和(自身を含む): 781507200

約数和(自身を除く): 559986240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 25639, 51278, 76917, 102556, 128195, 153834, 205112, 230751, 256390, 307668, 384585, 410224, 461502, 512780, 615336, 692253, 769170, 820448, 923004, 1025560, 1153755, 1230672, 1384506, 1538340, 1640896, 1846008, 2051120, 2307510, 2461344, 2769012, 3076680, 3461265, 3692016, 4102240, 4615020, 4922688, 5538024, 6153360, 6922530, 7384032, 8204480, 9230040, 11076048, 12306720, 13845060, 14768064, 18460080, 22152096, 24613440, 27690120, 36920160, 44304192, 55380240, 73840320, 110760480, 221520960]

約数ペア:

[(1, 221520960), (2, 110760480), (3, 73840320), (4, 55380240), (5, 44304192), (6, 36920160), (8, 27690120), (9, 24613440), (10, 22152096), (12, 18460080), (15, 14768064), (16, 13845060), (18, 12306720), (20, 11076048), (24, 9230040), (27, 8204480), (30, 7384032), (32, 6922530), (36, 6153360), (40, 5538024), (45, 4922688), (48, 4615020), (54, 4102240), (60, 3692016), (64, 3461265), (72, 3076680), (80, 2769012), (90, 2461344), (96, 2307510), (108, 2051120), (120, 1846008), (135, 1640896), (144, 1538340), (160, 1384506), (180, 1230672), (192, 1153755), (216, 1025560), (240, 923004), (270, 820448), (288, 769170), (320, 692253), (360, 615336), (432, 512780), (480, 461502), (540, 410224), (576, 384585), (720, 307668), (864, 256390), (960, 230751), (1080, 205112), (1440, 153834), (1728, 128195), (2160, 102556), (2880, 76917), (4320, 51278), (8640, 25639)]