127496720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2851}}^1$

素因数の和:2920

約数の個数: 80

約数和(自身を含む): 326770752

約数和(自身を除く): 199274032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 2851, 3440, 4472, 5590, 5702, 8944, 11180, 11404, 14255, 22360, 22808, 28510, 37063, 44720, 45616, 57020, 74126, 114040, 122593, 148252, 185315, 228080, 245186, 296504, 370630, 490372, 593008, 612965, 741260, 980744, 1225930, 1482520, 1593709, 1961488, 2451860, 2965040, 3187418, 4903720, 6374836, 7968545, 9807440, 12749672, 15937090, 25499344, 31874180, 63748360, 127496720]

約数ペア:

[(1, 127496720), (2, 63748360), (4, 31874180), (5, 25499344), (8, 15937090), (10, 12749672), (13, 9807440), (16, 7968545), (20, 6374836), (26, 4903720), (40, 3187418), (43, 2965040), (52, 2451860), (65, 1961488), (80, 1593709), (86, 1482520), (104, 1225930), (130, 980744), (172, 741260), (208, 612965), (215, 593008), (260, 490372), (344, 370630), (430, 296504), (520, 245186), (559, 228080), (688, 185315), (860, 148252), (1040, 122593), (1118, 114040), (1720, 74126), (2236, 57020), (2795, 45616), (2851, 44720), (3440, 37063), (4472, 28510), (5590, 22808), (5702, 22360), (8944, 14255), (11180, 11404)]