254471280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151471}}^1$

素因数の和:151494

約数の個数: 80

約数和(自身を含む): 901561344

約数和(自身を除く): 647090064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 151471, 302942, 454413, 605884, 757355, 908826, 1060297, 1211768, 1514710, 1817652, 2120594, 2272065, 2423536, 3029420, 3180891, 3635304, 4241188, 4544130, 5301485, 6058840, 6361782, 7270608, 8482376, 9088260, 10602970, 12117680, 12723564, 15904455, 16964752, 18176520, 21205940, 25447128, 31808910, 36353040, 42411880, 50894256, 63617820, 84823760, 127235640, 254471280]

約数ペア:

[(1, 254471280), (2, 127235640), (3, 84823760), (4, 63617820), (5, 50894256), (6, 42411880), (7, 36353040), (8, 31808910), (10, 25447128), (12, 21205940), (14, 18176520), (15, 16964752), (16, 15904455), (20, 12723564), (21, 12117680), (24, 10602970), (28, 9088260), (30, 8482376), (35, 7270608), (40, 6361782), (42, 6058840), (48, 5301485), (56, 4544130), (60, 4241188), (70, 3635304), (80, 3180891), (84, 3029420), (105, 2423536), (112, 2272065), (120, 2120594), (140, 1817652), (168, 1514710), (210, 1211768), (240, 1060297), (280, 908826), (336, 757355), (420, 605884), (560, 454413), (840, 302942), (1680, 151471)]