212529720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136237}}^1$

素因数の和:136264

約数の個数: 64

約数和(自身を含む): 686639520

約数和(自身を除く): 474109800

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, 136237, 272474, 408711, 544948, 681185, 817422, 1089896, 1362370, 1634844, 1771081, 2043555, 2724740, 3269688, 3542162, 4087110, 5313243, 5449480, 7084324, 8174220, 8855405, 10626486, 14168648, 16348440, 17710810, 21252972, 26566215, 35421620, 42505944, 53132430, 70843240, 106264860, 212529720]

約数ペア:

[(1, 212529720), (2, 106264860), (3, 70843240), (4, 53132430), (5, 42505944), (6, 35421620), (8, 26566215), (10, 21252972), (12, 17710810), (13, 16348440), (15, 14168648), (20, 10626486), (24, 8855405), (26, 8174220), (30, 7084324), (39, 5449480), (40, 5313243), (52, 4087110), (60, 3542162), (65, 3269688), (78, 2724740), (104, 2043555), (120, 1771081), (130, 1634844), (156, 1362370), (195, 1089896), (260, 817422), (312, 681185), (390, 544948), (520, 408711), (780, 272474), (1560, 136237)]