215848980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8753}}^1$

素因数の和:8905

約数の個数: 72

約数和(自身を含む): 659596392

約数和(自身を除く): 443747412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 8220, 8753, 12330, 17506, 24660, 26259, 35012, 43765, 52518, 78777, 87530, 105036, 131295, 157554, 175060, 262590, 315108, 393885, 525180, 787770, 1199161, 1575540, 2398322, 3597483, 4796644, 5995805, 7194966, 10792449, 11991610, 14389932, 17987415, 21584898, 23983220, 35974830, 43169796, 53962245, 71949660, 107924490, 215848980]

約数ペア:

[(1, 215848980), (2, 107924490), (3, 71949660), (4, 53962245), (5, 43169796), (6, 35974830), (9, 23983220), (10, 21584898), (12, 17987415), (15, 14389932), (18, 11991610), (20, 10792449), (30, 7194966), (36, 5995805), (45, 4796644), (60, 3597483), (90, 2398322), (137, 1575540), (180, 1199161), (274, 787770), (411, 525180), (548, 393885), (685, 315108), (822, 262590), (1233, 175060), (1370, 157554), (1644, 131295), (2055, 105036), (2466, 87530), (2740, 78777), (4110, 52518), (4932, 43765), (6165, 35012), (8220, 26259), (8753, 24660), (12330, 17506)]