154421820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{122557}}^1$

素因数の和:122579

約数の個数: 72

約数和(自身を含む): 535333344

約数和(自身を除く): 380911524

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, 122557, 245114, 367671, 490228, 612785, 735342, 857899, 1103013, 1225570, 1470684, 1715798, 1838355, 2206026, 2451140, 2573697, 3431596, 3676710, 4289495, 4412052, 5147394, 5515065, 7353420, 7721091, 8578990, 10294788, 11030130, 12868485, 15442182, 17157980, 22060260, 25736970, 30884364, 38605455, 51473940, 77210910, 154421820]

約数ペア:

[(1, 154421820), (2, 77210910), (3, 51473940), (4, 38605455), (5, 30884364), (6, 25736970), (7, 22060260), (9, 17157980), (10, 15442182), (12, 12868485), (14, 11030130), (15, 10294788), (18, 8578990), (20, 7721091), (21, 7353420), (28, 5515065), (30, 5147394), (35, 4412052), (36, 4289495), (42, 3676710), (45, 3431596), (60, 2573697), (63, 2451140), (70, 2206026), (84, 1838355), (90, 1715798), (105, 1470684), (126, 1225570), (140, 1103013), (180, 857899), (210, 735342), (252, 612785), (315, 490228), (420, 367671), (630, 245114), (1260, 122557)]