219881640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1061}}^1$

素因数の和:1243

約数の個数: 128

約数和(自身を含む): 724878720

約数和(自身を除く): 504997080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 157, 165, 220, 264, 314, 330, 440, 471, 628, 660, 785, 942, 1061, 1256, 1320, 1570, 1727, 1884, 2122, 2355, 3140, 3183, 3454, 3768, 4244, 4710, 5181, 5305, 6280, 6366, 6908, 8488, 8635, 9420, 10362, 10610, 11671, 12732, 13816, 15915, 17270, 18840, 20724, 21220, 23342, 25464, 25905, 31830, 34540, 35013, 41448, 42440, 46684, 51810, 58355, 63660, 69080, 70026, 93368, 103620, 116710, 127320, 140052, 166577, 175065, 207240, 233420, 280104, 333154, 350130, 466840, 499731, 666308, 700260, 832885, 999462, 1332616, 1400520, 1665770, 1832347, 1998924, 2498655, 3331540, 3664694, 3997848, 4997310, 5497041, 6663080, 7329388, 9161735, 9994620, 10994082, 14658776, 18323470, 19989240, 21988164, 27485205, 36646940, 43976328, 54970410, 73293880, 109940820, 219881640]

約数ペア:

[(1, 219881640), (2, 109940820), (3, 73293880), (4, 54970410), (5, 43976328), (6, 36646940), (8, 27485205), (10, 21988164), (11, 19989240), (12, 18323470), (15, 14658776), (20, 10994082), (22, 9994620), (24, 9161735), (30, 7329388), (33, 6663080), (40, 5497041), (44, 4997310), (55, 3997848), (60, 3664694), (66, 3331540), (88, 2498655), (110, 1998924), (120, 1832347), (132, 1665770), (157, 1400520), (165, 1332616), (220, 999462), (264, 832885), (314, 700260), (330, 666308), (440, 499731), (471, 466840), (628, 350130), (660, 333154), (785, 280104), (942, 233420), (1061, 207240), (1256, 175065), (1320, 166577), (1570, 140052), (1727, 127320), (1884, 116710), (2122, 103620), (2355, 93368), (3140, 70026), (3183, 69080), (3454, 63660), (3768, 58355), (4244, 51810), (4710, 46684), (5181, 42440), (5305, 41448), (6280, 35013), (6366, 34540), (6908, 31830), (8488, 25905), (8635, 25464), (9420, 23342), (10362, 21220), (10610, 20724), (11671, 18840), (12732, 17270), (13816, 15915)]