212124120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{135977}}^1$

素因数の和:136004

約数の個数: 64

約数和(自身を含む): 685329120

約数和(自身を除く): 473205000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 135977, 271954, 407931, 543908, 679885, 815862, 1087816, 1359770, 1631724, 1767701, 2039655, 2719540, 3263448, 3535402, 4079310, 5303103, 5439080, 7070804, 8158620, 8838505, 10606206, 14141608, 16317240, 17677010, 21212412, 26515515, 35354020, 42424824, 53031030, 70708040, 106062060, 212124120]

約数ペア:

[(1, 212124120), (2, 106062060), (3, 70708040), (4, 53031030), (5, 42424824), (6, 35354020), (8, 26515515), (10, 21212412), (12, 17677010), (13, 16317240), (15, 14141608), (20, 10606206), (24, 8838505), (26, 8158620), (30, 7070804), (39, 5439080), (40, 5303103), (52, 4079310), (60, 3535402), (65, 3263448), (78, 2719540), (104, 2039655), (120, 1767701), (130, 1631724), (156, 1359770), (195, 1087816), (260, 815862), (312, 679885), (390, 543908), (520, 407931), (780, 271954), (1560, 135977)]