427380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 1270080

約数和(自身を除く): 842700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 419, 510, 838, 1020, 1257, 1676, 2095, 2514, 4190, 5028, 6285, 7123, 8380, 12570, 14246, 21369, 25140, 28492, 35615, 42738, 71230, 85476, 106845, 142460, 213690, 427380]

約数ペア:

[(1, 427380), (2, 213690), (3, 142460), (4, 106845), (5, 85476), (6, 71230), (10, 42738), (12, 35615), (15, 28492), (17, 25140), (20, 21369), (30, 14246), (34, 12570), (51, 8380), (60, 7123), (68, 6285), (85, 5028), (102, 4190), (170, 2514), (204, 2095), (255, 1676), (340, 1257), (419, 1020), (510, 838)]