204795540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{42139}}^1$

素因数の和:42163

約数の個数: 72

約数和(自身を含む): 644236320

約数和(自身を除く): 439440780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 42139, 84278, 126417, 168556, 210695, 252834, 379251, 421390, 505668, 632085, 758502, 842780, 1137753, 1264170, 1517004, 1896255, 2275506, 2528340, 3413259, 3792510, 4551012, 5688765, 6826518, 7585020, 10239777, 11377530, 13653036, 17066295, 20479554, 22755060, 34132590, 40959108, 51198885, 68265180, 102397770, 204795540]

約数ペア:

[(1, 204795540), (2, 102397770), (3, 68265180), (4, 51198885), (5, 40959108), (6, 34132590), (9, 22755060), (10, 20479554), (12, 17066295), (15, 13653036), (18, 11377530), (20, 10239777), (27, 7585020), (30, 6826518), (36, 5688765), (45, 4551012), (54, 3792510), (60, 3413259), (81, 2528340), (90, 2275506), (108, 1896255), (135, 1517004), (162, 1264170), (180, 1137753), (243, 842780), (270, 758502), (324, 632085), (405, 505668), (486, 421390), (540, 379251), (810, 252834), (972, 210695), (1215, 168556), (1620, 126417), (2430, 84278), (4860, 42139)]