154621680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{644257}}^1$

素因数の和:644273

約数の個数: 40

約数和(自身を含む): 479327952

約数和(自身を除く): 324706272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 644257, 1288514, 1932771, 2577028, 3221285, 3865542, 5154056, 6442570, 7731084, 9663855, 10308112, 12885140, 15462168, 19327710, 25770280, 30924336, 38655420, 51540560, 77310840, 154621680]

約数ペア:

[(1, 154621680), (2, 77310840), (3, 51540560), (4, 38655420), (5, 30924336), (6, 25770280), (8, 19327710), (10, 15462168), (12, 12885140), (15, 10308112), (16, 9663855), (20, 7731084), (24, 6442570), (30, 5154056), (40, 3865542), (48, 3221285), (60, 2577028), (80, 1932771), (120, 1288514), (240, 644257)]