1619820280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1\times {\mathrm{2011}}^1$

素因数の和:3584

約数の個数: 64

約数和(自身を含む): 3929436000

約数和(自身を除く): 2309615720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1549, 2011, 3098, 4022, 6196, 7745, 8044, 10055, 12392, 15490, 16088, 20110, 20137, 26143, 30980, 40220, 40274, 52286, 61960, 80440, 80548, 100685, 104572, 130715, 161096, 201370, 209144, 261430, 402740, 522860, 805480, 1045720, 3115039, 6230078, 12460156, 15575195, 24920312, 31150390, 40495507, 62300780, 80991014, 124601560, 161982028, 202477535, 323964056, 404955070, 809910140, 1619820280]

約数ペア:

[(1, 1619820280), (2, 809910140), (4, 404955070), (5, 323964056), (8, 202477535), (10, 161982028), (13, 124601560), (20, 80991014), (26, 62300780), (40, 40495507), (52, 31150390), (65, 24920312), (104, 15575195), (130, 12460156), (260, 6230078), (520, 3115039), (1549, 1045720), (2011, 805480), (3098, 522860), (4022, 402740), (6196, 261430), (7745, 209144), (8044, 201370), (10055, 161096), (12392, 130715), (15490, 104572), (16088, 100685), (20110, 80548), (20137, 80440), (26143, 61960), (30980, 52286), (40220, 40274)]