17960240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 44782848

約数和(自身を除く): 26822608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 227, 230, 344, 368, 430, 454, 460, 688, 860, 908, 920, 989, 1135, 1720, 1816, 1840, 1978, 2270, 3440, 3632, 3956, 4540, 4945, 5221, 7912, 9080, 9761, 9890, 10442, 15824, 18160, 19522, 19780, 20884, 26105, 39044, 39560, 41768, 48805, 52210, 78088, 79120, 83536, 97610, 104420, 156176, 195220, 208840, 224503, 390440, 417680, 449006, 780880, 898012, 1122515, 1796024, 2245030, 3592048, 4490060, 8980120, 17960240]

約数ペア:

[(1, 17960240), (2, 8980120), (4, 4490060), (5, 3592048), (8, 2245030), (10, 1796024), (16, 1122515), (20, 898012), (23, 780880), (40, 449006), (43, 417680), (46, 390440), (80, 224503), (86, 208840), (92, 195220), (115, 156176), (172, 104420), (184, 97610), (215, 83536), (227, 79120), (230, 78088), (344, 52210), (368, 48805), (430, 41768), (454, 39560), (460, 39044), (688, 26105), (860, 20884), (908, 19780), (920, 19522), (989, 18160), (1135, 15824), (1720, 10442), (1816, 9890), (1840, 9761), (1978, 9080), (2270, 7912), (3440, 5221), (3632, 4945), (3956, 4540)]