70702020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3889}}^1$

素因数の和:4005

約数の個数: 72

約数和(自身を含む): 216641880

約数和(自身を除く): 145939860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 3889, 4545, 6060, 7778, 9090, 11667, 15556, 18180, 19445, 23334, 35001, 38890, 46668, 58335, 70002, 77780, 116670, 140004, 175005, 233340, 350010, 392789, 700020, 785578, 1178367, 1571156, 1963945, 2356734, 3535101, 3927890, 4713468, 5891835, 7070202, 7855780, 11783670, 14140404, 17675505, 23567340, 35351010, 70702020]

約数ペア:

[(1, 70702020), (2, 35351010), (3, 23567340), (4, 17675505), (5, 14140404), (6, 11783670), (9, 7855780), (10, 7070202), (12, 5891835), (15, 4713468), (18, 3927890), (20, 3535101), (30, 2356734), (36, 1963945), (45, 1571156), (60, 1178367), (90, 785578), (101, 700020), (180, 392789), (202, 350010), (303, 233340), (404, 175005), (505, 140004), (606, 116670), (909, 77780), (1010, 70002), (1212, 58335), (1515, 46668), (1818, 38890), (2020, 35001), (3030, 23334), (3636, 19445), (3889, 18180), (4545, 15556), (6060, 11667), (7778, 9090)]