26780520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17167}}^1$

素因数の和:17194

約数の個数: 64

約数和(自身を含む): 86526720

約数和(自身を除く): 59746200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 17167, 34334, 51501, 68668, 85835, 103002, 137336, 171670, 206004, 223171, 257505, 343340, 412008, 446342, 515010, 669513, 686680, 892684, 1030020, 1115855, 1339026, 1785368, 2060040, 2231710, 2678052, 3347565, 4463420, 5356104, 6695130, 8926840, 13390260, 26780520]

約数ペア:

[(1, 26780520), (2, 13390260), (3, 8926840), (4, 6695130), (5, 5356104), (6, 4463420), (8, 3347565), (10, 2678052), (12, 2231710), (13, 2060040), (15, 1785368), (20, 1339026), (24, 1115855), (26, 1030020), (30, 892684), (39, 686680), (40, 669513), (52, 515010), (60, 446342), (65, 412008), (78, 343340), (104, 257505), (120, 223171), (130, 206004), (156, 171670), (195, 137336), (260, 103002), (312, 85835), (390, 68668), (520, 51501), (780, 34334), (1560, 17167)]