156943120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1061}}^1$

素因数の和:1160

約数の個数: 60

約数和(自身を含む): 373928076

約数和(自身を除く): 216984956

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1061, 1720, 1849, 2122, 3440, 3698, 4244, 5305, 7396, 8488, 9245, 10610, 14792, 16976, 18490, 21220, 29584, 36980, 42440, 45623, 73960, 84880, 91246, 147920, 182492, 228115, 364984, 456230, 729968, 912460, 1824920, 1961789, 3649840, 3923578, 7847156, 9808945, 15694312, 19617890, 31388624, 39235780, 78471560, 156943120]

約数ペア:

[(1, 156943120), (2, 78471560), (4, 39235780), (5, 31388624), (8, 19617890), (10, 15694312), (16, 9808945), (20, 7847156), (40, 3923578), (43, 3649840), (80, 1961789), (86, 1824920), (172, 912460), (215, 729968), (344, 456230), (430, 364984), (688, 228115), (860, 182492), (1061, 147920), (1720, 91246), (1849, 84880), (2122, 73960), (3440, 45623), (3698, 42440), (4244, 36980), (5305, 29584), (7396, 21220), (8488, 18490), (9245, 16976), (10610, 14792)]