254463960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{479}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 808704000

約数和(自身を除く): 554240040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 233, 285, 380, 456, 466, 479, 570, 699, 760, 932, 958, 1140, 1165, 1398, 1437, 1864, 1916, 2280, 2330, 2395, 2796, 2874, 3495, 3832, 4427, 4660, 4790, 5592, 5748, 6990, 7185, 8854, 9101, 9320, 9580, 11496, 13281, 13980, 14370, 17708, 18202, 19160, 22135, 26562, 27303, 27960, 28740, 35416, 36404, 44270, 45505, 53124, 54606, 57480, 66405, 72808, 88540, 91010, 106248, 109212, 111607, 132810, 136515, 177080, 182020, 218424, 223214, 265620, 273030, 334821, 364040, 446428, 531240, 546060, 558035, 669642, 892856, 1092120, 1116070, 1339284, 1674105, 2120533, 2232140, 2678568, 3348210, 4241066, 4464280, 6361599, 6696420, 8482132, 10602665, 12723198, 13392840, 16964264, 21205330, 25446396, 31807995, 42410660, 50892792, 63615990, 84821320, 127231980, 254463960]

約数ペア:

[(1, 254463960), (2, 127231980), (3, 84821320), (4, 63615990), (5, 50892792), (6, 42410660), (8, 31807995), (10, 25446396), (12, 21205330), (15, 16964264), (19, 13392840), (20, 12723198), (24, 10602665), (30, 8482132), (38, 6696420), (40, 6361599), (57, 4464280), (60, 4241066), (76, 3348210), (95, 2678568), (114, 2232140), (120, 2120533), (152, 1674105), (190, 1339284), (228, 1116070), (233, 1092120), (285, 892856), (380, 669642), (456, 558035), (466, 546060), (479, 531240), (570, 446428), (699, 364040), (760, 334821), (932, 273030), (958, 265620), (1140, 223214), (1165, 218424), (1398, 182020), (1437, 177080), (1864, 136515), (1916, 132810), (2280, 111607), (2330, 109212), (2395, 106248), (2796, 91010), (2874, 88540), (3495, 72808), (3832, 66405), (4427, 57480), (4660, 54606), (4790, 53124), (5592, 45505), (5748, 44270), (6990, 36404), (7185, 35416), (8854, 28740), (9101, 27960), (9320, 27303), (9580, 26562), (11496, 22135), (13281, 19160), (13980, 18202), (14370, 17708)]