31054240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:279

約数の個数: 144

約数和(自身を含む): 90751752

約数和(自身を除く): 59697512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 233, 238, 245, 272, 280, 340, 392, 466, 476, 490, 544, 560, 595, 680, 784, 833, 932, 952, 980, 1120, 1165, 1190, 1360, 1568, 1631, 1666, 1864, 1904, 1960, 2330, 2380, 2720, 3262, 3332, 3728, 3808, 3920, 3961, 4165, 4660, 4760, 6524, 6664, 7456, 7840, 7922, 8155, 8330, 9320, 9520, 11417, 13048, 13328, 15844, 16310, 16660, 18640, 19040, 19805, 22834, 26096, 26656, 27727, 31688, 32620, 33320, 37280, 39610, 45668, 52192, 55454, 57085, 63376, 65240, 66640, 79220, 91336, 110908, 114170, 126752, 130480, 133280, 138635, 158440, 182672, 194089, 221816, 228340, 260960, 277270, 316880, 365344, 388178, 443632, 456680, 554540, 633760, 776356, 887264, 913360, 970445, 1109080, 1552712, 1826720, 1940890, 2218160, 3105424, 3881780, 4436320, 6210848, 7763560, 15527120, 31054240]

約数ペア:

[(1, 31054240), (2, 15527120), (4, 7763560), (5, 6210848), (7, 4436320), (8, 3881780), (10, 3105424), (14, 2218160), (16, 1940890), (17, 1826720), (20, 1552712), (28, 1109080), (32, 970445), (34, 913360), (35, 887264), (40, 776356), (49, 633760), (56, 554540), (68, 456680), (70, 443632), (80, 388178), (85, 365344), (98, 316880), (112, 277270), (119, 260960), (136, 228340), (140, 221816), (160, 194089), (170, 182672), (196, 158440), (224, 138635), (233, 133280), (238, 130480), (245, 126752), (272, 114170), (280, 110908), (340, 91336), (392, 79220), (466, 66640), (476, 65240), (490, 63376), (544, 57085), (560, 55454), (595, 52192), (680, 45668), (784, 39610), (833, 37280), (932, 33320), (952, 32620), (980, 31688), (1120, 27727), (1165, 26656), (1190, 26096), (1360, 22834), (1568, 19805), (1631, 19040), (1666, 18640), (1864, 16660), (1904, 16310), (1960, 15844), (2330, 13328), (2380, 13048), (2720, 11417), (3262, 9520), (3332, 9320), (3728, 8330), (3808, 8155), (3920, 7922), (3961, 7840), (4165, 7456), (4660, 6664), (4760, 6524)]