277567120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:884

約数の個数: 80

約数和(自身を含む): 672300720

約数和(自身を除く): 394733600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 181, 232, 290, 362, 464, 580, 661, 724, 905, 1160, 1322, 1448, 1810, 2320, 2644, 2896, 3305, 3620, 5249, 5288, 6610, 7240, 10498, 10576, 13220, 14480, 19169, 20996, 26245, 26440, 38338, 41992, 52490, 52880, 76676, 83984, 95845, 104980, 119641, 153352, 191690, 209960, 239282, 306704, 383380, 419920, 478564, 598205, 766760, 957128, 1196410, 1533520, 1914256, 2392820, 3469589, 4785640, 6939178, 9571280, 13878356, 17347945, 27756712, 34695890, 55513424, 69391780, 138783560, 277567120]

約数ペア:

[(1, 277567120), (2, 138783560), (4, 69391780), (5, 55513424), (8, 34695890), (10, 27756712), (16, 17347945), (20, 13878356), (29, 9571280), (40, 6939178), (58, 4785640), (80, 3469589), (116, 2392820), (145, 1914256), (181, 1533520), (232, 1196410), (290, 957128), (362, 766760), (464, 598205), (580, 478564), (661, 419920), (724, 383380), (905, 306704), (1160, 239282), (1322, 209960), (1448, 191690), (1810, 153352), (2320, 119641), (2644, 104980), (2896, 95845), (3305, 83984), (3620, 76676), (5249, 52880), (5288, 52490), (6610, 41992), (7240, 38338), (10498, 26440), (10576, 26245), (13220, 20996), (14480, 19169)]