128449920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 413100000

約数和(自身を除く): 284650080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 149, 160, 192, 240, 298, 320, 384, 447, 449, 480, 596, 640, 745, 894, 898, 960, 1192, 1347, 1490, 1788, 1796, 1920, 2235, 2245, 2384, 2694, 2980, 3576, 3592, 4470, 4490, 4768, 5388, 5960, 6735, 7152, 7184, 8940, 8980, 9536, 10776, 11920, 13470, 14304, 14368, 17880, 17960, 19072, 21552, 23840, 26940, 28608, 28736, 35760, 35920, 43104, 47680, 53880, 57216, 57472, 66901, 71520, 71840, 86208, 95360, 107760, 133802, 143040, 143680, 172416, 200703, 215520, 267604, 286080, 287360, 334505, 401406, 431040, 535208, 669010, 802812, 862080, 1003515, 1070416, 1338020, 1605624, 2007030, 2140832, 2676040, 3211248, 4014060, 4281664, 5352080, 6422496, 8028120, 8563328, 10704160, 12844992, 16056240, 21408320, 25689984, 32112480, 42816640, 64224960, 128449920]

約数ペア:

[(1, 128449920), (2, 64224960), (3, 42816640), (4, 32112480), (5, 25689984), (6, 21408320), (8, 16056240), (10, 12844992), (12, 10704160), (15, 8563328), (16, 8028120), (20, 6422496), (24, 5352080), (30, 4281664), (32, 4014060), (40, 3211248), (48, 2676040), (60, 2140832), (64, 2007030), (80, 1605624), (96, 1338020), (120, 1070416), (128, 1003515), (149, 862080), (160, 802812), (192, 669010), (240, 535208), (298, 431040), (320, 401406), (384, 334505), (447, 287360), (449, 286080), (480, 267604), (596, 215520), (640, 200703), (745, 172416), (894, 143680), (898, 143040), (960, 133802), (1192, 107760), (1347, 95360), (1490, 86208), (1788, 71840), (1796, 71520), (1920, 66901), (2235, 57472), (2245, 57216), (2384, 53880), (2694, 47680), (2980, 43104), (3576, 35920), (3592, 35760), (4470, 28736), (4490, 28608), (4768, 26940), (5388, 23840), (5960, 21552), (6735, 19072), (7152, 17960), (7184, 17880), (8940, 14368), (8980, 14304), (9536, 13470), (10776, 11920)]