31721640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13913}}^1$

素因数の和:13946

約数の個数: 64

約数和(自身を含む): 100180800

約数和(自身を除く): 68459160

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, 228, 285, 380, 456, 570, 760, 1140, 2280, 13913, 27826, 41739, 55652, 69565, 83478, 111304, 139130, 166956, 208695, 264347, 278260, 333912, 417390, 528694, 556520, 793041, 834780, 1057388, 1321735, 1586082, 1669560, 2114776, 2643470, 3172164, 3965205, 5286940, 6344328, 7930410, 10573880, 15860820, 31721640]

約数ペア:

[(1, 31721640), (2, 15860820), (3, 10573880), (4, 7930410), (5, 6344328), (6, 5286940), (8, 3965205), (10, 3172164), (12, 2643470), (15, 2114776), (19, 1669560), (20, 1586082), (24, 1321735), (30, 1057388), (38, 834780), (40, 793041), (57, 556520), (60, 528694), (76, 417390), (95, 333912), (114, 278260), (120, 264347), (152, 208695), (190, 166956), (228, 139130), (285, 111304), (380, 83478), (456, 69565), (570, 55652), (760, 41739), (1140, 27826), (2280, 13913)]