209711520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{145633}}^1$

素因数の和:145654

約数の個数: 72

約数和(自身を含む): 715645476

約数和(自身を除く): 505933956

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 145633, 291266, 436899, 582532, 728165, 873798, 1165064, 1310697, 1456330, 1747596, 2184495, 2330128, 2621394, 2912660, 3495192, 4368990, 4660256, 5242788, 5825320, 6553485, 6990384, 8737980, 10485576, 11650640, 13106970, 13980768, 17475960, 20971152, 23301280, 26213940, 34951920, 41942304, 52427880, 69903840, 104855760, 209711520]

約数ペア:

[(1, 209711520), (2, 104855760), (3, 69903840), (4, 52427880), (5, 41942304), (6, 34951920), (8, 26213940), (9, 23301280), (10, 20971152), (12, 17475960), (15, 13980768), (16, 13106970), (18, 11650640), (20, 10485576), (24, 8737980), (30, 6990384), (32, 6553485), (36, 5825320), (40, 5242788), (45, 4660256), (48, 4368990), (60, 3495192), (72, 2912660), (80, 2621394), (90, 2330128), (96, 2184495), (120, 1747596), (144, 1456330), (160, 1310697), (180, 1165064), (240, 873798), (288, 728165), (360, 582532), (480, 436899), (720, 291266), (1440, 145633)]