80301420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{853}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 244332816

約数和(自身を除く): 164031396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 523, 853, 1046, 1569, 1706, 2092, 2559, 2615, 3138, 3412, 4265, 4707, 5118, 5230, 6276, 7677, 7845, 8530, 9414, 10236, 10460, 12795, 15354, 15690, 17060, 18828, 23535, 25590, 30708, 31380, 38385, 47070, 51180, 76770, 94140, 153540, 446119, 892238, 1338357, 1784476, 2230595, 2676714, 4015071, 4461190, 5353428, 6691785, 8030142, 8922380, 13383570, 16060284, 20075355, 26767140, 40150710, 80301420]

約数ペア:

[(1, 80301420), (2, 40150710), (3, 26767140), (4, 20075355), (5, 16060284), (6, 13383570), (9, 8922380), (10, 8030142), (12, 6691785), (15, 5353428), (18, 4461190), (20, 4015071), (30, 2676714), (36, 2230595), (45, 1784476), (60, 1338357), (90, 892238), (180, 446119), (523, 153540), (853, 94140), (1046, 76770), (1569, 51180), (1706, 47070), (2092, 38385), (2559, 31380), (2615, 30708), (3138, 25590), (3412, 23535), (4265, 18828), (4707, 17060), (5118, 15690), (5230, 15354), (6276, 12795), (7677, 10460), (7845, 10236), (8530, 9414)]