156520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:74

約数の個数: 64

約数和(自身を含む): 443520

約数和(自身を除く): 287000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 430, 455, 520, 559, 602, 728, 860, 910, 1118, 1204, 1505, 1720, 1820, 2236, 2408, 2795, 3010, 3640, 3913, 4472, 5590, 6020, 7826, 11180, 12040, 15652, 19565, 22360, 31304, 39130, 78260, 156520]

約数ペア:

[(1, 156520), (2, 78260), (4, 39130), (5, 31304), (7, 22360), (8, 19565), (10, 15652), (13, 12040), (14, 11180), (20, 7826), (26, 6020), (28, 5590), (35, 4472), (40, 3913), (43, 3640), (52, 3010), (56, 2795), (65, 2408), (70, 2236), (86, 1820), (91, 1720), (104, 1505), (130, 1204), (140, 1118), (172, 910), (182, 860), (215, 728), (260, 602), (280, 559), (301, 520), (344, 455), (364, 430)]