281024960

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51659}}^1$

素因数の和:51693

約数の個数: 56

約数和(自身を含む): 708568560

約数和(自身を除く): 427543600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 51659, 103318, 206636, 258295, 413272, 516590, 826544, 878203, 1033180, 1653088, 1756406, 2066360, 3306176, 3512812, 4132720, 4391015, 7025624, 8265440, 8782030, 14051248, 16530880, 17564060, 28102496, 35128120, 56204992, 70256240, 140512480, 281024960]

約数ペア:

[(1, 281024960), (2, 140512480), (4, 70256240), (5, 56204992), (8, 35128120), (10, 28102496), (16, 17564060), (17, 16530880), (20, 14051248), (32, 8782030), (34, 8265440), (40, 7025624), (64, 4391015), (68, 4132720), (80, 3512812), (85, 3306176), (136, 2066360), (160, 1756406), (170, 1653088), (272, 1033180), (320, 878203), (340, 826544), (544, 516590), (680, 413272), (1088, 258295), (1360, 206636), (2720, 103318), (5440, 51659)]