13321280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:356

約数の個数: 112

約数和(自身を含む): 38282880

約数和(自身を除く): 24961600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 313, 320, 380, 448, 532, 560, 608, 626, 665, 760, 1064, 1120, 1216, 1252, 1330, 1520, 1565, 2128, 2191, 2240, 2504, 2660, 3040, 3130, 4256, 4382, 5008, 5320, 5947, 6080, 6260, 8512, 8764, 10016, 10640, 10955, 11894, 12520, 17528, 20032, 21280, 21910, 23788, 25040, 29735, 35056, 41629, 42560, 43820, 47576, 50080, 59470, 70112, 83258, 87640, 95152, 100160, 118940, 140224, 166516, 175280, 190304, 208145, 237880, 333032, 350560, 380608, 416290, 475760, 666064, 701120, 832580, 951520, 1332128, 1665160, 1903040, 2664256, 3330320, 6660640, 13321280]

約数ペア:

[(1, 13321280), (2, 6660640), (4, 3330320), (5, 2664256), (7, 1903040), (8, 1665160), (10, 1332128), (14, 951520), (16, 832580), (19, 701120), (20, 666064), (28, 475760), (32, 416290), (35, 380608), (38, 350560), (40, 333032), (56, 237880), (64, 208145), (70, 190304), (76, 175280), (80, 166516), (95, 140224), (112, 118940), (133, 100160), (140, 95152), (152, 87640), (160, 83258), (190, 70112), (224, 59470), (266, 50080), (280, 47576), (304, 43820), (313, 42560), (320, 41629), (380, 35056), (448, 29735), (532, 25040), (560, 23788), (608, 21910), (626, 21280), (665, 20032), (760, 17528), (1064, 12520), (1120, 11894), (1216, 10955), (1252, 10640), (1330, 10016), (1520, 8764), (1565, 8512), (2128, 6260), (2191, 6080), (2240, 5947), (2504, 5320), (2660, 5008), (3040, 4382), (3130, 4256)]