31791520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 80341632

約数和(自身を除く): 48550112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 80, 92, 106, 115, 160, 163, 184, 212, 230, 265, 326, 368, 424, 460, 530, 652, 736, 815, 848, 920, 1060, 1219, 1304, 1630, 1696, 1840, 2120, 2438, 2608, 3260, 3680, 3749, 4240, 4876, 5216, 6095, 6520, 7498, 8480, 8639, 9752, 12190, 13040, 14996, 17278, 18745, 19504, 24380, 26080, 29992, 34556, 37490, 39008, 43195, 48760, 59984, 69112, 74980, 86390, 97520, 119968, 138224, 149960, 172780, 195040, 198697, 276448, 299920, 345560, 397394, 599840, 691120, 794788, 993485, 1382240, 1589576, 1986970, 3179152, 3973940, 6358304, 7947880, 15895760, 31791520]

約数ペア:

[(1, 31791520), (2, 15895760), (4, 7947880), (5, 6358304), (8, 3973940), (10, 3179152), (16, 1986970), (20, 1589576), (23, 1382240), (32, 993485), (40, 794788), (46, 691120), (53, 599840), (80, 397394), (92, 345560), (106, 299920), (115, 276448), (160, 198697), (163, 195040), (184, 172780), (212, 149960), (230, 138224), (265, 119968), (326, 97520), (368, 86390), (424, 74980), (460, 69112), (530, 59984), (652, 48760), (736, 43195), (815, 39008), (848, 37490), (920, 34556), (1060, 29992), (1219, 26080), (1304, 24380), (1630, 19504), (1696, 18745), (1840, 17278), (2120, 14996), (2438, 13040), (2608, 12190), (3260, 9752), (3680, 8639), (3749, 8480), (4240, 7498), (4876, 6520), (5216, 6095)]