210240108

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{983}}^1$

素因数の和:1463

約数の個数: 72

約数和(自身を含む): 574156128

約数和(自身を除く): 363916020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 457, 468, 914, 983, 1371, 1828, 1966, 2742, 2949, 3932, 4113, 5484, 5898, 5941, 8226, 8847, 11796, 11882, 12779, 16452, 17694, 17823, 23764, 25558, 35388, 35646, 38337, 51116, 53469, 71292, 76674, 106938, 115011, 153348, 213876, 230022, 449231, 460044, 898462, 1347693, 1796924, 2695386, 4043079, 5390772, 5840003, 8086158, 11680006, 16172316, 17520009, 23360012, 35040018, 52560027, 70080036, 105120054, 210240108]

約数ペア:

[(1, 210240108), (2, 105120054), (3, 70080036), (4, 52560027), (6, 35040018), (9, 23360012), (12, 17520009), (13, 16172316), (18, 11680006), (26, 8086158), (36, 5840003), (39, 5390772), (52, 4043079), (78, 2695386), (117, 1796924), (156, 1347693), (234, 898462), (457, 460044), (468, 449231), (914, 230022), (983, 213876), (1371, 153348), (1828, 115011), (1966, 106938), (2742, 76674), (2949, 71292), (3932, 53469), (4113, 51116), (5484, 38337), (5898, 35646), (5941, 35388), (8226, 25558), (8847, 23764), (11796, 17823), (11882, 17694), (12779, 16452)]