2381580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 7351344

約数和(自身を除く): 4969764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 131, 180, 202, 262, 303, 393, 404, 505, 524, 606, 655, 786, 909, 1010, 1179, 1212, 1310, 1515, 1572, 1818, 1965, 2020, 2358, 2620, 3030, 3636, 3930, 4545, 4716, 5895, 6060, 7860, 9090, 11790, 13231, 18180, 23580, 26462, 39693, 52924, 66155, 79386, 119079, 132310, 158772, 198465, 238158, 264620, 396930, 476316, 595395, 793860, 1190790, 2381580]

約数ペア:

[(1, 2381580), (2, 1190790), (3, 793860), (4, 595395), (5, 476316), (6, 396930), (9, 264620), (10, 238158), (12, 198465), (15, 158772), (18, 132310), (20, 119079), (30, 79386), (36, 66155), (45, 52924), (60, 39693), (90, 26462), (101, 23580), (131, 18180), (180, 13231), (202, 11790), (262, 9090), (303, 7860), (393, 6060), (404, 5895), (505, 4716), (524, 4545), (606, 3930), (655, 3636), (786, 3030), (909, 2620), (1010, 2358), (1179, 2020), (1212, 1965), (1310, 1818), (1515, 1572)]