256695540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{42359}}^1$

素因数の和:42472

約数の個数: 48

約数和(自身を含む): 725880960

約数和(自身を除く): 469185420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 6060, 42359, 84718, 127077, 169436, 211795, 254154, 423590, 508308, 635385, 847180, 1270770, 2541540, 4278259, 8556518, 12834777, 17113036, 21391295, 25669554, 42782590, 51339108, 64173885, 85565180, 128347770, 256695540]

約数ペア:

[(1, 256695540), (2, 128347770), (3, 85565180), (4, 64173885), (5, 51339108), (6, 42782590), (10, 25669554), (12, 21391295), (15, 17113036), (20, 12834777), (30, 8556518), (60, 4278259), (101, 2541540), (202, 1270770), (303, 847180), (404, 635385), (505, 508308), (606, 423590), (1010, 254154), (1212, 211795), (1515, 169436), (2020, 127077), (3030, 84718), (6060, 42359)]