218243340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173209}}^1$

素因数の和:173231

約数の個数: 72

約数和(自身を含む): 756581280

約数和(自身を除く): 538337940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 173209, 346418, 519627, 692836, 866045, 1039254, 1212463, 1558881, 1732090, 2078508, 2424926, 2598135, 3117762, 3464180, 3637389, 4849852, 5196270, 6062315, 6235524, 7274778, 7794405, 10392540, 10912167, 12124630, 14549556, 15588810, 18186945, 21824334, 24249260, 31177620, 36373890, 43648668, 54560835, 72747780, 109121670, 218243340]

約数ペア:

[(1, 218243340), (2, 109121670), (3, 72747780), (4, 54560835), (5, 43648668), (6, 36373890), (7, 31177620), (9, 24249260), (10, 21824334), (12, 18186945), (14, 15588810), (15, 14549556), (18, 12124630), (20, 10912167), (21, 10392540), (28, 7794405), (30, 7274778), (35, 6235524), (36, 6062315), (42, 5196270), (45, 4849852), (60, 3637389), (63, 3464180), (70, 3117762), (84, 2598135), (90, 2424926), (105, 2078508), (126, 1732090), (140, 1558881), (180, 1212463), (210, 1039254), (252, 866045), (315, 692836), (420, 519627), (630, 346418), (1260, 173209)]