138235520

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9391}}^1$

素因数の和:9433

約数の個数: 64

約数和(自身を含む): 344874240

約数和(自身を除く): 206638720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 9391, 14720, 18782, 37564, 46955, 75128, 93910, 150256, 187820, 215993, 300512, 375640, 431986, 601024, 751280, 863972, 1079965, 1202048, 1502560, 1727944, 2159930, 3005120, 3455888, 4319860, 6010240, 6911776, 8639720, 13823552, 17279440, 27647104, 34558880, 69117760, 138235520]

約数ペア:

[(1, 138235520), (2, 69117760), (4, 34558880), (5, 27647104), (8, 17279440), (10, 13823552), (16, 8639720), (20, 6911776), (23, 6010240), (32, 4319860), (40, 3455888), (46, 3005120), (64, 2159930), (80, 1727944), (92, 1502560), (115, 1202048), (128, 1079965), (160, 863972), (184, 751280), (230, 601024), (320, 431986), (368, 375640), (460, 300512), (640, 215993), (736, 187820), (920, 150256), (1472, 93910), (1840, 75128), (2944, 46955), (3680, 37564), (7360, 18782), (9391, 14720)]