30717880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 72912960

約数和(自身を除く): 42195080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 173, 184, 193, 230, 346, 386, 460, 692, 772, 865, 920, 965, 1384, 1544, 1730, 1930, 3460, 3860, 3979, 4439, 6920, 7720, 7958, 8878, 15916, 17756, 19895, 22195, 31832, 33389, 35512, 39790, 44390, 66778, 79580, 88780, 133556, 159160, 166945, 177560, 267112, 333890, 667780, 767947, 1335560, 1535894, 3071788, 3839735, 6143576, 7679470, 15358940, 30717880]

約数ペア:

[(1, 30717880), (2, 15358940), (4, 7679470), (5, 6143576), (8, 3839735), (10, 3071788), (20, 1535894), (23, 1335560), (40, 767947), (46, 667780), (92, 333890), (115, 267112), (173, 177560), (184, 166945), (193, 159160), (230, 133556), (346, 88780), (386, 79580), (460, 66778), (692, 44390), (772, 39790), (865, 35512), (920, 33389), (965, 31832), (1384, 22195), (1544, 19895), (1730, 17756), (1930, 15916), (3460, 8878), (3860, 7958), (3979, 7720), (4439, 6920)]