220154520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 699955200

約数和(自身を除く): 479800680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 223, 228, 285, 380, 433, 446, 456, 570, 669, 760, 866, 892, 1115, 1140, 1299, 1338, 1732, 1784, 2165, 2230, 2280, 2598, 2676, 3345, 3464, 4237, 4330, 4460, 5196, 5352, 6495, 6690, 8227, 8474, 8660, 8920, 10392, 12711, 12990, 13380, 16454, 16948, 17320, 21185, 24681, 25422, 25980, 26760, 32908, 33896, 41135, 42370, 49362, 50844, 51960, 63555, 65816, 82270, 84740, 96559, 98724, 101688, 123405, 127110, 164540, 169480, 193118, 197448, 246810, 254220, 289677, 329080, 386236, 482795, 493620, 508440, 579354, 772472, 965590, 987240, 1158708, 1448385, 1834621, 1931180, 2317416, 2896770, 3669242, 3862360, 5503863, 5793540, 7338484, 9173105, 11007726, 11587080, 14676968, 18346210, 22015452, 27519315, 36692420, 44030904, 55038630, 73384840, 110077260, 220154520]

約数ペア:

[(1, 220154520), (2, 110077260), (3, 73384840), (4, 55038630), (5, 44030904), (6, 36692420), (8, 27519315), (10, 22015452), (12, 18346210), (15, 14676968), (19, 11587080), (20, 11007726), (24, 9173105), (30, 7338484), (38, 5793540), (40, 5503863), (57, 3862360), (60, 3669242), (76, 2896770), (95, 2317416), (114, 1931180), (120, 1834621), (152, 1448385), (190, 1158708), (223, 987240), (228, 965590), (285, 772472), (380, 579354), (433, 508440), (446, 493620), (456, 482795), (570, 386236), (669, 329080), (760, 289677), (866, 254220), (892, 246810), (1115, 197448), (1140, 193118), (1299, 169480), (1338, 164540), (1732, 127110), (1784, 123405), (2165, 101688), (2230, 98724), (2280, 96559), (2598, 84740), (2676, 82270), (3345, 65816), (3464, 63555), (4237, 51960), (4330, 50844), (4460, 49362), (5196, 42370), (5352, 41135), (6495, 33896), (6690, 32908), (8227, 26760), (8474, 25980), (8660, 25422), (8920, 24681), (10392, 21185), (12711, 17320), (12990, 16948), (13380, 16454)]