389105040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3851}}^1$

素因数の和:4288

約数の個数: 80

約数和(自身を含む): 1209404736

約数和(自身を除く): 820299696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 842, 1263, 1684, 2105, 2526, 3368, 3851, 4210, 5052, 6315, 6736, 7702, 8420, 10104, 11553, 12630, 15404, 16840, 19255, 20208, 23106, 25260, 30808, 33680, 38510, 46212, 50520, 57765, 61616, 77020, 92424, 101040, 115530, 154040, 184848, 231060, 308080, 462120, 924240, 1621271, 3242542, 4863813, 6485084, 8106355, 9727626, 12970168, 16212710, 19455252, 24319065, 25940336, 32425420, 38910504, 48638130, 64850840, 77821008, 97276260, 129701680, 194552520, 389105040]

約数ペア:

[(1, 389105040), (2, 194552520), (3, 129701680), (4, 97276260), (5, 77821008), (6, 64850840), (8, 48638130), (10, 38910504), (12, 32425420), (15, 25940336), (16, 24319065), (20, 19455252), (24, 16212710), (30, 12970168), (40, 9727626), (48, 8106355), (60, 6485084), (80, 4863813), (120, 3242542), (240, 1621271), (421, 924240), (842, 462120), (1263, 308080), (1684, 231060), (2105, 184848), (2526, 154040), (3368, 115530), (3851, 101040), (4210, 92424), (5052, 77020), (6315, 61616), (6736, 57765), (7702, 50520), (8420, 46212), (10104, 38510), (11553, 33680), (12630, 30808), (15404, 25260), (16840, 23106), (19255, 20208)]