208115280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289049}}^1$

素因数の和:289068

約数の個数: 60

約数和(自身を含む): 698922900

約数和(自身を除く): 490807620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 289049, 578098, 867147, 1156196, 1445245, 1734294, 2312392, 2601441, 2890490, 3468588, 4335735, 4624784, 5202882, 5780980, 6937176, 8671470, 10405764, 11561960, 13007205, 13874352, 17342940, 20811528, 23123920, 26014410, 34685880, 41623056, 52028820, 69371760, 104057640, 208115280]

約数ペア:

[(1, 208115280), (2, 104057640), (3, 69371760), (4, 52028820), (5, 41623056), (6, 34685880), (8, 26014410), (9, 23123920), (10, 20811528), (12, 17342940), (15, 13874352), (16, 13007205), (18, 11561960), (20, 10405764), (24, 8671470), (30, 6937176), (36, 5780980), (40, 5202882), (45, 4624784), (48, 4335735), (60, 3468588), (72, 2890490), (80, 2601441), (90, 2312392), (120, 1734294), (144, 1445245), (180, 1156196), (240, 867147), (360, 578098), (720, 289049)]