311927940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:666

約数の個数: 144

約数和(自身を含む): 1002892800

約数和(自身を除く): 690964860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 223, 228, 285, 342, 380, 409, 446, 570, 669, 684, 818, 855, 892, 1115, 1140, 1227, 1338, 1636, 1710, 2007, 2045, 2230, 2454, 2676, 3345, 3420, 3681, 4014, 4090, 4237, 4460, 4908, 6135, 6690, 7362, 7771, 8028, 8180, 8474, 10035, 12270, 12711, 13380, 14724, 15542, 16948, 18405, 20070, 21185, 23313, 24540, 25422, 31084, 36810, 38133, 38855, 40140, 42370, 46626, 50844, 63555, 69939, 73620, 76266, 77710, 84740, 91207, 93252, 116565, 127110, 139878, 152532, 155420, 182414, 190665, 233130, 254220, 273621, 279756, 349695, 364828, 381330, 456035, 466260, 547242, 699390, 762660, 820863, 912070, 1094484, 1368105, 1398780, 1641726, 1732933, 1824140, 2736210, 3283452, 3465866, 4104315, 5198799, 5472420, 6931732, 8208630, 8664665, 10397598, 15596397, 16417260, 17329330, 20795196, 25993995, 31192794, 34658660, 51987990, 62385588, 77981985, 103975980, 155963970, 311927940]

約数ペア:

[(1, 311927940), (2, 155963970), (3, 103975980), (4, 77981985), (5, 62385588), (6, 51987990), (9, 34658660), (10, 31192794), (12, 25993995), (15, 20795196), (18, 17329330), (19, 16417260), (20, 15596397), (30, 10397598), (36, 8664665), (38, 8208630), (45, 6931732), (57, 5472420), (60, 5198799), (76, 4104315), (90, 3465866), (95, 3283452), (114, 2736210), (171, 1824140), (180, 1732933), (190, 1641726), (223, 1398780), (228, 1368105), (285, 1094484), (342, 912070), (380, 820863), (409, 762660), (446, 699390), (570, 547242), (669, 466260), (684, 456035), (818, 381330), (855, 364828), (892, 349695), (1115, 279756), (1140, 273621), (1227, 254220), (1338, 233130), (1636, 190665), (1710, 182414), (2007, 155420), (2045, 152532), (2230, 139878), (2454, 127110), (2676, 116565), (3345, 93252), (3420, 91207), (3681, 84740), (4014, 77710), (4090, 76266), (4237, 73620), (4460, 69939), (4908, 63555), (6135, 50844), (6690, 46626), (7362, 42370), (7771, 40140), (8028, 38855), (8180, 38133), (8474, 36810), (10035, 31084), (12270, 25422), (12711, 24540), (13380, 23313), (14724, 21185), (15542, 20070), (16948, 18405)]