71270680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{811}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 173930400

約数和(自身を除く): 102659720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 811, 845, 1352, 1622, 1690, 2197, 3244, 3380, 4055, 4394, 6488, 6760, 8110, 8788, 10543, 10985, 16220, 17576, 21086, 21970, 32440, 42172, 43940, 52715, 84344, 87880, 105430, 137059, 210860, 274118, 421720, 548236, 685295, 1096472, 1370590, 1781767, 2741180, 3563534, 5482360, 7127068, 8908835, 14254136, 17817670, 35635340, 71270680]

約数ペア:

[(1, 71270680), (2, 35635340), (4, 17817670), (5, 14254136), (8, 8908835), (10, 7127068), (13, 5482360), (20, 3563534), (26, 2741180), (40, 1781767), (52, 1370590), (65, 1096472), (104, 685295), (130, 548236), (169, 421720), (260, 274118), (338, 210860), (520, 137059), (676, 105430), (811, 87880), (845, 84344), (1352, 52715), (1622, 43940), (1690, 42172), (2197, 32440), (3244, 21970), (3380, 21086), (4055, 17576), (4394, 16220), (6488, 10985), (6760, 10543), (8110, 8788)]