218240820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173207}}^1$

素因数の和:173229

約数の個数: 72

約数和(自身を含む): 756572544

約数和(自身を除く): 538331724

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, 173207, 346414, 519621, 692828, 866035, 1039242, 1212449, 1558863, 1732070, 2078484, 2424898, 2598105, 3117726, 3464140, 3637347, 4849796, 5196210, 6062245, 6235452, 7274694, 7794315, 10392420, 10912041, 12124490, 14549388, 15588630, 18186735, 21824082, 24248980, 31177260, 36373470, 43648164, 54560205, 72746940, 109120410, 218240820]

約数ペア:

[(1, 218240820), (2, 109120410), (3, 72746940), (4, 54560205), (5, 43648164), (6, 36373470), (7, 31177260), (9, 24248980), (10, 21824082), (12, 18186735), (14, 15588630), (15, 14549388), (18, 12124490), (20, 10912041), (21, 10392420), (28, 7794315), (30, 7274694), (35, 6235452), (36, 6062245), (42, 5196210), (45, 4849796), (60, 3637347), (63, 3464140), (70, 3117726), (84, 2598105), (90, 2424898), (105, 2078484), (126, 1732070), (140, 1558863), (180, 1212449), (210, 1039242), (252, 866035), (315, 692828), (420, 519621), (630, 346414), (1260, 173207)]