1311466620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{245593}}^1$

素因数の和:245694

約数の個数: 48

約数和(自身を含む): 3713381280

約数和(自身を除く): 2401914660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 245593, 491186, 736779, 982372, 1227965, 1473558, 2455930, 2947116, 3683895, 4911860, 7367790, 14735580, 21857777, 43715554, 65573331, 87431108, 109288885, 131146662, 218577770, 262293324, 327866655, 437155540, 655733310, 1311466620]

約数ペア:

[(1, 1311466620), (2, 655733310), (3, 437155540), (4, 327866655), (5, 262293324), (6, 218577770), (10, 131146662), (12, 109288885), (15, 87431108), (20, 65573331), (30, 43715554), (60, 21857777), (89, 14735580), (178, 7367790), (267, 4911860), (356, 3683895), (445, 2947116), (534, 2455930), (890, 1473558), (1068, 1227965), (1335, 982372), (1780, 736779), (2670, 491186), (5340, 245593)]